14 best thermal wear for kids

Thermal wear for kids, often referred to as thermal underwear or simply "thermals," is a type of clothing designed to provide extra warmth and insulation in cold weather. Here's what you need to know about thermal wear for kids:

  1. Purpose: Thermal wear is designed to keep children warm during colder seasons. It's typically worn as a base layer underneath regular clothing and helps trap body heat to maintain a comfortable temperature.

  2. Materials: Thermal wear is typically made from materials that have excellent insulation properties. Common materials include cotton, wool, synthetic fabrics (such as polyester or polypropylene), and blends of these materials. Wool is known for its natural insulating properties and moisture-wicking abilities, while synthetic materials often provide moisture management and are lightweight.

  3. Design: Kids' thermal wear is designed to fit snugly against the skin to maximize heat retention. It usually includes a long-sleeved top and pants. Some sets may also include a thermal shirt and leggings. The design is meant to minimize bulk so that it can be comfortably worn under regular clothing.

  4. Styles: Thermal wear for kids comes in various styles, including crew neck or turtleneck tops, and full-length or three-quarter-length pants. There are also thermal onesies available for younger children. The style chosen often depends on personal preferences and the intended level of warmth.

  5. Sizes: Thermal wear is available in a range of sizes to accommodate children of different ages and sizes. It's important to select the right size to ensure a snug fit without being too tight, as this can hinder circulation and comfort.

  6. Gender and Age: Thermal wear is available for both girls and boys. There are also unisex options. It's important to choose the right size and style based on the child's age and gender.

  7. Activities: Thermal wear is versatile and suitable for various activities in cold weather, including outdoor sports, winter camping, skiing, snowboarding, and everyday winter wear.

  8. Layering: Thermal wear is most effective when used as a base layer.It helps to trap body heat close to the skin and wick moisture away, keeping the child warm and dry. It can be paired with additional layers, such as sweaters, jackets, and winter accessories, for added insulation.

  9. Maintenance: Most thermal wear for kids is machine washable. It's essential to follow care instructions provided by the manufacturer to maintain the integrity of the material and its insulating properties.

In summary, thermal wear for kids is a versatile clothing option designed to provide extra warmth and insulation during cold weather. It comes in various styles and materials to suit different preferences and activities, making it an essential part of a child's winter wardrobe. Proper sizing and layering are key to ensuring maximum comfort and warmth.

Below you can find our editor's choice of the best thermal wear for kids on the market
  

Rocky Thermal Underwear for Boys Fleece Lined Thermals Kids Base Layer Long John Set

Based on 2 reviews Check latest price
  • 2 PIECE SET: This Rocky thermal underwear for boys set is designed for comfort with an elastic waistband and fleece lined moisture wicking microfibers. These boy's thermal underwear are stretchy comfortable.
  • WONDERFULLY WARM: Rocky's thermal underwear for kids is perfect for use underneath formal or casual attire at work or for a day out, or the thermal underwear can be worn as comfy pajamas on cold, chilly nights.
  • PREMIUM GRADE FABRICS: Rocky thermal underwear for boys is made from 92% Ultra-Soft Polyester and 8% Spandex, these thermal long johns have the perfect blend of comfort, warmth, elasticity, and moisture protection.
  • MOISTURE WICKING: Designed to keep you dry, this long-sleeved shirt and long pants are made to be wick away sweat and other moisture, this thermal underwear for boys set will do its job no matter how active you are.
  • BASE LAYERS: When going out to jog, run, bike or cycle in the cold, make sure to use the rocky thermal underwear for boys set under your clothing to keep warm and cozy in freezing cold climates or bad weather.

User questions & answers

Question: I have a husky boy of 11, about 4'11" and 119 lbs. will the xl work for him? or will it be too tight
Answer: Yes My 10 yr old has had them since December. Hes all boy and loves to be outside. They have held up so far.
Question: What size would a 5 1/2 year old wear
Answer: Unfortunately for me, I have average sized feet & wear a size 9, however my feet are very narrow. Therefore men's socks (size 10-13) are usually too big, so I save money by purchasing boys sizes 3-9 socks. Sometimes the low cut socks want to slide down on the heal, but these Prince socks fit great. Since you're buying a smaller size they may fit differently, but I think it's worth the chance to purchase them. I chanced it, and like them a lot. BT
Question: Are these elastic at the wrists and ankles
Answer: Hello, Thank you for your question. We would recommend the size 9-2.5 (Little Boys) for your grandson. They should provide an excellent fit. If, however, for any reason they do not or are unsatisfactory in any way please let us know and we will do our best to make it right. Thank you, Positive Distribution LLC
Question: Is the size medium for a small child or is it medium
Answer: Go with the 9-2.5. They fit well. My son is a 13 and that's the size I bought which fit him.

Product features

Keep Them Warm And Toasty

They are silky on the outside but lined with soft thermal fleece on the inside. They fit snug enough that there is no bulkiness showing when worn under clothes.They are also wonderful to sleep in. These sets will continue warming you even after being laundered many times.

These Rocky Fleece Lined Thermals are well designed for wear under your clothes OR alone.

The waist of the pants are elastic for a comfortable snug fit. These light-weight thermal pants make all the difference in the world.

Fun in the Snow!
Winter Pajamas
Chilly Weathers

ViCherub Thermal Underwear Set for Boys Long Johns Fleece Lined Kids Base Layer Thermals Sets Boy

ViCherub

Based on 1 reviews Check latest price
  • Easy Care: Machine Washable, Dry quickly, Repeatedly washed without shrinking, No fading with the highest grade color fastness, Non-irritating. No Laddering. Perfect for men, teen, boy.
  • Perfect Gift for Family & Friends: Warmth is the best expression of love in the cold winter, Our thermal set is your first gift choice for Christmas, New Year, birthday, holiday Valentine's Day.
  • Premium Grade Fabrics: 92% ultra-soft polyester and 8% spandex, This boys thermal underwear base layer gives protection against the cold winter days whilst remaining discreet and comfortable..The boy long johns can still comfortable,warm and color-fast after many washes.
  • Good Moisture Absorption and Sweat Elimination: When your little ones sweat, this thermals base layer can wick moisture away from his skin, and dry quickly and insulating from the cold.
  • Suitable or Indoor or Outdoor Wear : Perfect for your son during cold winters, school, ski or snow holidays, camping, pyjamas, hiking, outdoor trips. The thermals can be worn as comfy pajamas on cold, chilly nights.
  • Soft and Comfortable: Offers full mobility and freedom of movement. Wear-resistant material and shrink resistant. This thermal underwear for boys set will do its job no matter how active you are.
  • 1 PIECE SET: The thermal underwear consists of 2 parts,top and pants,and there are eight colors for you to choose: Black, Grey, Blue, Charcoal, Christmas, Jade, Navy, Red.(XS S M L XL). Classic colors for different fashion choose.

User questions & answers

Question: What sizes for teo boys 5 & 10? waist 30,hip39,insean16/waist 24 hip29,inseam
Answer: My son is the same size and the XL was good
Question: My son is 19 but very very skinny. he is about 5'7" ~104 lbs. which size should i buy for him? thanks
Answer: I would say a size Small. However, it also depends on the child if the child is tall or slim etc.
Question: Are these breathable enough for use in winter outdoor activities
Answer: No, just regular stitching.
Question: Are they best to be worn under clothes or worn as the clothes
Answer: fits an avg size 4th grade child about 55 lbs

Product features

These ViCherub Fleece Lined Thermals are well designed for wear under your clothes OR alone.

These long underwear are silky on the outside but lined with soft thermal fleece on the inside, provides a lightweight layer that feels soft under the skin, They are fit snug enough that there is no bulkiness showing when worn under clothes-even underneath jeans without disrupting your style.

ViCherub Boy's Thermal Underwear

Our Boys thermal underwear sets very soft, comfortable, and fit well.They don't look bulky under clothes.Provides excellent thermal in cold weather.Use the best quality fabrics, even if washed a lot of times, still very warm.

Comfortable experience

Our long johns is made of super fine fiber (polyester)+ spandex, which is very soft and comfortable.

Skin Stretchy

4 Way stretch material and elastic waistband designed.Perfectly fits your body curves.

Sweat Moisture Wicking Design

These girls thermal underwear use designed for smooth knit moisture wicking microfibers,take away moisture to keep her dry and comfortable

Winter outdoors

Unique fabric design, is very light. Let you enjoy activities in indoor and outdoor, enjoy the beautiful winter.

Ultra Soft & Comfy

Made from 92% ultra-soft polyester, and 8% spandex, these have the perfect blend of comfort, warmth, elasticity, and moisture protection.

Fleece Lining Keep Warm

Winter base layer is made of specially developed micro fleece fabrics. Thermal fleece materials provide enhanced warmth and thermal insulation.

Quick Drying

Fabric wicks away and quickly dries moisture in a moment so that the fabric remains dry.

No fading

Repeatedly washed without shrinking, No fading with the highest grade color fastness

32 DEGREES Kid's Heat Base Layer Set

32 Degrees

Based on 844 reviews Check latest price

Product description

Set includes 2 items: 1 long sleeved crew neck tee shirt, 1 elastic waistband legging.

  • 32 Degrees Weatherproof Kids Base Layer Thermal Shirt Long Underwear Set, Black [Small: 6/7]

User questions & answers

Question: My daughter is 2 yrs old what size is best for her
Answer: I ordered the “Large” and they fit perfect. The bottoms were long but they scrunched up over the calve. His measurements were similar. Hope this was helpful.
Question: Are these tagless
Answer: My son is 5’1” and about 95 lbs and we ordered large. Good fit. The chart shows up to age 14/16. Not sure if you son’s age/height would be a XL.
Question: In reading the reviews these seem to be soft to the touch. Is this correct? My son will not wear if they feel tight and itchy like ones found at Walma
Answer: Yes, these long john set are enough breathable.
Question: are they pretty true to size
Answer: The shirt is not very thight but the pant is. I would use the top as the clothes but the pant can be worn under jeans

POPINJAY Boys Fleece Thermal Set - Kids Long Sleeve Shirt and Pants Underwear

Based on 115 reviews Check latest price

Product description

Keep your boy warm this winter with fleece lined thermals! Can be used as sleepers or thermo wear under garments. Though not a compression garment, they are a warming and fitted underwear or sleepwear giving a tight fit as a classic layering garment. No extreme bulk! Know that at home or when you travel, your kid's thermals are going to be the warmest and best choice out there.

PREMIUM CLOTHING WITH A PURPOSE

POPINJAY's leggings, shirts, and shorts are made of high quality fabric guaranteed to look cute on your youth. We don't think it's enough to just make premium short sleeve and longsleeve dresses, shirts, and other girls and boys clothing. If our products give joy to those who wear them, we believe it's important to share that joy with those who lack basic necessities and wonder where they'll get their next cup of clean water. Our goal is to help protect the health of those most in need including babies, children under 5, mothers, and families. YOUR PURCHASE MAKES AN IMPACT!

POPINJAY GIVES BACK

2% of POPINJAY's revenue funds solutions that address the most persistent needs of those living in extreme poverty. Giving back is a cornerstone to our philosophy; our purpose that drives our desire to create a positive global social impact through creative products. We take a three-pronged approach to our giving with a focus on HEALTH, WATER and EDUCATION

WHO WE FUND

Our current grantees drill clean water wells, provide rechargeable lanterns for children with no power so they can study, and they provide hygiene kits for girls so they can stay in school. Our goal is to empower kids, and women in Ghana, Mali and other African countries.< p>

THE DRESSES

Our fabric is made of 92% Polyester and 8% spandex formulated to be stretchy, soft and strong. We believe top quality products make top quality experiences .

THANK YOU FOR SUPPORTING A GREATER CAUSE!

  • ✅DUDS FOR DUDES: Your boys will love the way these feel. The pant legs have some stretch, but hold tight enough to wear under outdoor clothing - keeping the heat in and the cold out. They have the softest fleeced inside and a smooth outside to slip into bed or into your snow suit! closure
  • ✅ THERMALS: Cold weather clothing perfect as an indoor long john pajama or an outdoor insulated base layer. Extra lightweight clothing to warm your little man!
  • ✅ TWO PIECE SET: Matching bottoms and longsleeve shirts lined with wicking microfiber. These amazing undergarments can be worn alone or as a lining to your children's favorite outfits. Or just use the top or bottom! Easy wash sets are made with a mix of polyester and spandex . Your boy's comfort is also a big fashion statement with modern style!
  • ✅ SOFT AND COMFORTABLE: Well made and quality long johns apparel with ultra soft polyester stretch fabric. No itchy wool or cotton that retains moisture and wears down quickly. Each stitch is made with premium thread and elastic that can handle your growing kid's play. Best for winter snow clothes or pajamas.
  • ✅ BASELAYER : Add layers of warmth to your child's outfit. Replace undershirts with warmer fleecewear longjohns. No need to purchase special flannel and sweatpants--start with a warm inner base and your child can wear their favorite tops and bottoms.
  • ✅ VERSATILE: Just a few cool and unique ideas: a warm and comfy Halloween costume, matching Christmas jammies, overnight camping, fishing and hiking for scouts, underwear for an athletic sports uniform - baseball, football, hockey, soccer, golf, skating or skiing! The list goes on!

User questions & answers

Question: Will the xsmall fit my 3t toddler
Answer: No, they're not completely tagless. The logo is printed/tagless.
Question: What size would a small be
Answer: They are soft and will keep your son warm and dry in winter. However if you don't want them to be tight then I suggest getting a size bigger. But also keep in mind that if they are to be warn under his regular clothes you don't want them to be too big either. My son doesn't like tight clothes either and he didn't mind these since they were soft and kept him dry and warm. Hope this helps
Question: How big are the sizes
Answer: Yes very true to size but not warm.

Amazon Essentials Boys' Thermal Long Underwear Sets

Amazon Essentials

Based on 893 reviews Check latest price

Product description

Amazon Essentials has what you need to outfit your little ones in affordable, high-quality, and long-lasting everyday clothing. Our line of kids' must-haves includes cozy fleeces and oh-so warm puffer jackets to keep them bundled up when the temperatures drop, as well as school uniform-ready pants and polo shirts. Consistent sizing takes the guesswork out of shopping, and each piece is put to the test to maintain parent-approved standards in quality and comfort.

Amazon Essentials has what you need to outfit your little ones in affordable, high-quality, and long-lasting everyday clothing. Our line of kids' must-haves includes cozy fleeces and oh-so warm puffer jackets to keep them bundled up when the temperatures drop, as well as school uniform-ready pants and polo shirts. Consistent sizing takes the guesswork out of shopping, and each piece is put to the test to maintain parent-approved standards in quality and comfort.

  • 60% Cotton, 40% Polyester
  • Imported
  • Machine Wash
  • Our cotton blend thermal set functions as a lightweight base layer to keep you warm
  • Ribbed cuffs and hem
  • Everyday made better: we listen to customer feedback and fine-tune every detail to ensure quality, fit, and comfort
  • Check out more from Amazon Essentials by visiting amazon.com/amazonessentials

User questions & answers

Question: Does anyone have the size chart? I can’t find it on this page
Answer: I can't answer with absolute certainty, but there is a strong chance they may fit. I purchased the medium for my slightly built just 8 year old. At the time he weighed just shy of 50# and he is not on the tall side. There was room to grow. The quality and comfort is nice and my son likes them a lot. Hope this helps.
Question: Where is the size chart
Answer: I purchased the small for my 4yo who weights 52lbs, 3 1/2 ft tall and wears a size 6. These fit him perfectly. Hope this helps 💛
Question: Can you see your child’s underwear through these if purchased in the grey or white color
Answer: I purchased the small for my 4yo who weights 52lbs, 3 1/2 ft tall and wears a size 6. These fit him perfectly. Hope this helps 💛
Question: Do these shrink in the laundry
Answer: Depends on if she is average I guess. My children are very tall so I ordered a size up and that fit them well. These are very thin material though so keep that in mind as you order. Other than that they fit well and I would guess they are about accurate if you have an average kiddo!

Rocky Thermal Underwear for Girls Fleece Lined Thermals Kids Base Layer Long John Set

Based on 2 reviews Check latest price
  • 92% Polyester, 8% Spandex
  • 2 PIECE SET: This Rocky thermal underwear for girls set is designed for comfort with an elastic waistband and fleece lined moisture wicking microfibers. These girl's thermal underwear are stretchy comfortable.
  • WONDERFULLY WARM: Rocky's thermal underwear for kids is perfect for use underneath formal or casual attire at work or for a day out, or the thermal underwear can be worn as comfy pajamas on cold, chilly nights.
  • PREMIUM GRADE FABRICS: Rocky thermal underwear for girls is made from 92% Ultra-Soft Polyester and 8% Spandex, these thermal long johns have the perfect blend of comfort, warmth, elasticity, and moisture protection.
  • MOISTURE WICKING: Designed to keep you dry, this long-sleeved shirt and long pants are made to be wick away sweat and other moisture, this thermal underwear for girls set will do its job no matter how active you are.
  • BASE LAYERS: When going out to jog, run, bike or cycle in the cold, make sure to use the rocky girs thermal underwear set for under your clothing to keep warm and cozy in freezing cold climates or bad weather.

User questions & answers

Question: Would these work for under my daughter's Halloween costume? Would she need to wear a jacket too or would these keep her warm enough
Answer: When I went to this page there was a size chart
Question: Are the Christmas ones navy or black
Answer: Its RIGHT THERE BELOW THE PHOTO IT SAYS SIZE CHART & HELP WITH SIZING WITH A DROP ARROW & ITS REVEALED!
Question: where is this made and is it treated with flame retardants? I don't see a definitive answer on this
Answer: In white, yes, but not much. My little guy had character underwear. If he had been wearing a solid color, the underwear might not have shown but can’t say for sure.
Question: The sizes are not clear whether these are for big or small girls. My daughter wears a size girls 6x or 7/8 for growth.She is 6. What do you recommend
Answer: No.

Product features

Girl's Fleece Lined Thermal Underwear Set
Keep Them Warm and Toasty!

They are silky on the outside but lined with soft thermal fleece on the inside. They fit snug enough that there is no bulkiness showing when worn under clothes.They are also wonderful to sleep in. These sets will continue warming you even after being laundered many times.

These Rocky Fleece Lined Thermals are well designed for wear under your clothes OR alone.

The waist of the pants are elastic for a comfortable snug fit. These light-weight thermal pants make all the difference in the world.

Great for layering
Winter Sleepwear
Fun in the Snow!

DEVOPS Boys and Girls Thermal Underwear Long Johns Set with Fleece Lined

Based on 655 reviews Check latest price
  • 【Micro Fleece Lined】 90% Polyester, 10% Spandex.
  • 【Ultra Soft & Warm】 Thermal tech fleece fabric of the baselayer caresses the skin so naturally providing maximum comfort and softness.
  • 【Stretchy & Durable】 Spandex added for extra stretch and shape retention; close-fitting style does better in retaining body heat to keep you warm.
  • 【Versatile Performance】 Thermal Underwear for Kids with ultra soft hand feel and heat-retention is a perfect option during various indoor activities, outdoor excursion and recreational activities.
  • 【Top & Bottom SET】 2 Piece thermal set they are ultra soft, warm, comfortable and great to wear at home or add an extra layer of warmth under your clothes.

User questions & answers

Question: What size would be a
Answer: I purchased 3 sets of these last year for my kids to wear under their Halloween costumes. They worked great..fleece inside so nice an warm. We live in Michigan,so it was about 52 degrees on Halloween night..I would say if its under 50 degrees depending on their costumes..they may need a jacket too...
Question: What size for 4 and 7 years old
Answer: I ordered a coral color
Question: What size is medium equivalent to
Answer: Made in China
Question: Is this a one (2) piece set or 2 (2) piece set
Answer: Big girls... my wife wears XL and just told me get 3 more... totaling 6. She wears them every day in the winter, and skin tight (she is 4'9 and 90ish pounds). She loves the different colors.

Product features

DEVOPS Kids Thermal Baselayer Series

DEVOPS kids thermal underwear set are made with micro-fleece fabric to give the ultimate warmth during the cold weather seasons.

  • Please refer to the size chart to choose your size.
  • If you are having trouble choosing a size, Please refer to other customers size feedback.

Fleece Lined Fabric

  • Thermal Tech Fleece Fabric provide enhanced warmth and heat insulation.

Flexibility

  • The 4-way Stretch delivers excellent elasticity and durability for maximum mobility.

Heat Retention

  • Converts moisture to heat
  • Increases warmth and blood flow

Perfect for Outdoor Activities

  • Provides warmth to your children during outdoor activities.

Product Detail

LAPASA Girls Thermal Underwear Long John Set Fleece Lined Base Layer Top and Bottom G03

Based on 381 reviews Check latest price
  • Fleece Long John:90% polyester, 10% spandex; Waffle Knit Long John: 65% polyeter, 35% Cotton
  • LAPASA girls' thermal underwear set is made with finest fabric to give the ultimate warmth during the cold weather seasons.
  • Made of polyester and spandex blend, these thermal base layers are light for layering under other clothes.
  • This thermal underwear set is designed to give you flexibility by hugging your body and stretching to move with you, they will keep you warm without sacrificing your range of motion or comfort.
  • Snug fit ensures no bunching around your waistline or sleeves and reduces heat loss.
  • Shrinkage controlled for lasting size and shape retention.

User questions & answers

Question: Has anyone dried these in the dryer? Do they shrink a bit
Answer: Small
Question: What size for 4t? 6x/6t
Answer: I bought a XL for my tall 10yr old boy it was a little vig. He likely would have fit into a Lg. These are good quality though.
Question: Do these fit like tights? Or are there baggy spots
Answer: 8-10
Question: My daughter is 7 and fits in a 7/8 shirt and and 6x bottom. What size should I get her
Answer: 1 (2) piece set

Girls Thermal Underwear Set Kids Long Johns Fleece Lined Base Layer Top & Bottom

ViCherub

Based on 1 reviews Check latest price

Product description

Girl’s Fleece Lined Thermal Underwear Set & Get Ready For Winter!

Our Girls long johns top and bottom thermals set will be the Best Choice for warm retention in extreme cold winter weather.

Size Chart:

X-Small

Small

Medium

Large

X-Large

Package Included & Classical Color:

2 Piece: 1 long sleeve top + 1 full length bottom

Colors: Black / Gray / Cream White / Charcoal / Royal Blue / Coral / Jade / Lavender / Christmas design

Product Features of Long Johns Tops & Bottoms Sets for Girl:

>92% ultra-soft polyester, 8% spandex, ultra soft, warm, comfortable and durable.

>Fleece Lined Keep Warm: There are silky outside but lined with warmth lining inside.

>Lightweight: Light weight fabric keeps youth children at a comfort temperature all day.

>Soft Touch: Fibers are woven with argan oil which leaves a smooth feeling on the skin.

>Moisture Wicking: Breathable fibers absorbs the excess moisture and then release it.

>Double layer long knit cuffs: Both top and bottom are stretchy, perfect for active wear.

>Elastic Waistband: Comfy elastic band on pants makes wearing and removal a breeze.

>Quick Drying: Smooth fabric wicks away and quickly dries moisture in a moment.

>Comfy Stretchable: 4 way stretch knitted offers full freedom of movement, providing lasting size and shape.

>Heat Retention: The closely and tightly knit seams between fibers traps help retain body heat and keep your kids thermals.

>Easy Care: machine washable, dry quickly, repeatedly washed without shrinking, no fading with the highest grade color fastness, no Laddering. Perfect for girl.

  • 『Girl's Thermal Underwear Set』:1 Set.US Sizes (XS S M L XL),Various colors for you to choose from: Black,Grey, Coral, Royal Blue,Lavender,Charcoal,Jade,Cream White and Christmas Design.
  • Imported
  • Elastic closure
  • Hand Wash
  • 『Ultra Soft and Comfortable』: 92% Microfiber (Polyester) + 8% Spandex, smooth, lightweight, durable, bring your youth children warmth like live in Spring.
  • 『Fleece Lined Keep Warm』: Girl long underwear thermals knit sets with Fleece Lining in nice thickness, gives your kids warmth for indoor outdoor activities.
  • 『Comfy Skin Stretch』: Four Way stretch materials with an elastic waistband, this base layer silk long john set perfectly fits body curves, keeps cozy in winter.

User questions & answers

Question: I need a girls size 6 what size should I order
Answer: I haven't tried, but most fabrics do shrink a little bit in the dryer.
Question: How thick is the fleece lining
Answer: I got the card for my 4 year old who wears normal XX 4-5 clothing and it fit perfect
Question: Made in USA
Answer: They fit tight but not like girls tights or pantyhose. They are long johns. So more like a pair of leggings.
Question: I'm going skiing next week. Will it be cold if I wear only a knit thermal underwear sets under my coat
Answer: They run slightly large. I’d go with in the middle with a 7.

City Threads Girls Thermal Underwear Set Long John, Soft Breathable Cotton Base Layer - Made in USA

City Threads

Based on 661 reviews Check latest price
  • Made in the USA! Quality you can trust and proudly keeping jobs local
  • High-quality thermal underwear with hip contrast stitching
  • Great for lounging and layering!
  • Perfect combination of warmth and breathability. 50/50 cotton/poly.
  • SAFE - made from safe dyes and materials that won't cause irritation or itching. Perfect for sensitive skins and kids with SPD.
  • Top-quality, locally-knitted, American-made fabric that washes well and is long-lasting

User questions & answers

Question: i’d like to buy To my son.... thats only for girls
Answer: These run small. Order a size up. My daughter usually wears a youth medium, and the youth large just fits her.
Question: does it come with thumbholes
Answer: I’d say moderate. Not thin but not the thickest. I got them to go under my daughters soccer uniform.
Question: my daughter is 13 years old. Will L(14) fit her
Answer: No made in China wish I would have know before I ordered it.
Question: Do these thermals help keep you warm in the snow
Answer: You might get a little chilly but not cold.

Rocky Thermal Underwear for Boys Cotton Knit Thermals Kids Base Layer Long John Pajamas Set

Based on 747 reviews Check latest price
  • 2 PIECE SET: This Rocky cotton knit thermal underwear for boys set is designed for comfort with Polyester wicking microfibers. These boy's thermal underwear are stretchy comfortable.
  • WONDERFULLY WARM: Rocky's thermal underwear for boys is perfect for use underneath formal or casual attire at work or for a day out, or the thermal underwear can be worn as comfy pajamas on cold, chilly nights.
  • PREMIUM GRADE FABRICS: Rocky thermal underwear for boy's is made from 55% Cotton and 45% Ultra-Soft Polyester, these thermal long johns have the perfect blend of comfort, warmth, elasticity, and moisture protection.
  • MOISTURE WICKING: Designed to keep you dry, this long-sleeved shirt and long pants are made to be wick away sweat and other moisture, this thermal underwear for boys set will do its job no matter how active you are.
  • BASE LAYERS: When going out to jog, run, bike or cycle in the cold, make sure to use the rocky thermal underwear for kids set under your clothing to keep warm and cozy in freezing cold climates or bad weather. These thermal underwear are stretchy & comfortable.

User questions & answers

Question: What size should I buy for a 2year old
Answer: You can buy these for your son. There is another listing for the "boys" colors, here it is. https://www.amazon.com/City-Threads-Underwear-Sensitive-Charcoal/dp/B00Q58JDV8/ref=sr_1_9?m=AIEUZANEXEI7Q&s=apparel&ie=UTF8&qid=1536723275&sr=1-9&nodeID=7141123011&psd=1&keywords=city+threads&refinements=p_6%3AAIEUZANEXEI7Q
Question: where is it made
Answer: No but they are quality material.
Question: Is Xxs good size for a boy 30 lbs and 38"H
Answer: A size 14 will fit someone who is 58-61" tall with a chest of approx. 31.5" and waist 28". It fits pretty true to size but really depends on what size your daughter normally wears.
Question: What size for size
Answer: Yes, they're a great base layer under snow suit etc for playing in the snow. They are also thin enough to be worn under regular clothes (jeans, sweatpants) to be in a snowy environment without actually playing in the snow--while still keeping your little one warm.

Product features

Boys Smooth knit Thermal Underwear Set
Keep Them Warm and Toasty!

These are made of silky smooth knit fibers. They fit snug enough that there is no bulkiness showing when worn under clothes.They are also wonderful to sleep in. These sets will continue warming you even after being laundered many times.

These Rocky Smooth Knit Thermals are well designed for wear under your clothes OR alone.

The waist of the pants are elastic for a comfortable snug fit. These light-weight thermal pants make all the difference in the world.

Warm Pajamas
Great for layering on chilly days
lounging around the house
Winter Sport Activities

Rocky Thermal Underwear for Girls Cotton Knit Thermals Kids Base Layer Long John Pajamas Set

Based on 807 reviews Check latest price
  • 2 PIECE SET: This Rocky cotton knit thermal underwear for girls set is designed for comfort with Polyester wicking microfibers. These girl's thermal underwear are stretchy comfortable.
  • WONDERFULLY WARM: Rocky's thermal underwear for kids is perfect for use underneath formal or casual attire at work or for a day out, or the thermal underwear can be worn as comfy pajamas on cold, chilly nights.
  • PREMIUM GRADE FABRICS: Rocky thermal underwear for girls is made from 55% Cotton and 45% Ultra-Soft Polyester, these thermal long johns have the perfect blend of comfort, warmth, elasticity, and moisture protection.
  • MOISTURE WICKING: Designed to keep you dry, this long-sleeved shirt and long pants are made to be wick away sweat and other moisture, this thermal underwear for girls set will do its job no matter how active you are.
  • BASE LAYERS: When going out to jog, run, bike or cycle in the cold, make sure to use the rocky thermal underwear for girls set under your clothing to keep warm and cozy in freezing cold climates or bad weather.

User questions & answers

Question: Are these tight fitting/stretchy? I want them very tight fitting to wear under a costume
Answer: XX Small or X Small will work depending on how loose you like them; can roll up legs and sleeves. They are warm either way and closer to body easier to wear under clothes.
Question: Need a size 7 , is that a medium
Answer: Imported but don’t know where!
Question: What size would be equivalent to a 5t
Answer: I’m not sure Maybe small
Question: Hi my granddaughter is 16 months wearing a 3t can you please advise me what size to get her
Answer: My son is 53 pounds and about 4 foot 5 inches They fit him a bit loose

Product features

Girl's Smooth knit Thermal Underwear Set
Keep Them Warm and Toasty!

These are made of silky smooth knit fibers. They fit snug enough that there is no bulkiness showing when worn under clothes.They are also wonderful to sleep in. These sets will continue warming you even after being laundered many times.

These Rocky Smooth Knit Thermals are well designed for wear under your clothes OR alone.

The waist of the pants are elastic for a comfortable snug fit. These light-weight thermal pants make all the difference in the world.

Winter Sports
Warm Pajamas
Great for layering on Chilly Days
Keeping warm could not have been any easier! Thermal underwear for the entire family!

Simple Joys by Carter's Toddler Boys' 3-Pack Thermal Long Sleeve Shirts

Simple Joys by Carter's

Based on 3 reviews Check latest price

Product description

3- pack long sleeve thermal shirts with cover stitch detail in soft cotton

  • 100% Cotton
  • Imported
  • Machine Wash
  • Thermal
  • Ribbed neck line
  • Long-sleeve
  • Trusted Carter's quality, every day low prices, and hassle-free tag less packaging-exclusively for Amazon member

User questions & answers

Question: Why is everything saying may arrive after christmas
Answer: yes they fit tight, my great granddaughter wears them under her cheer uniform & under her ball uniform. we are well pleased with them.
Question: where is this imported from
Answer: I buy a for my grandaughter she's 8 and I buy her size 9 10 because they grow over night they don't sell them in sm or med or large
Question: Is the yellow striped shirt with black or navy
Answer: I think 5t is the last of the toddler size if your child fits in a 5t and is growing maybe you should try a size 6 I hope that was helpful
Question: What size is right for my son? He is 5 years old
Answer: At 16 months I would recommend XXS. Happy holidays!

2 Sets Girls Thermal Underwear Set Long Johns Fleece Lined Base Layer Top Bottom

ViCherub

Based on 636 reviews Check latest price
  • 『Girl's Thermal Underwear Set』: 2 Sets Package. Sizes (XS S M L XL),classic colors for you to choose from,Black & Balck, Black & Gray,Black & Christmas design.
  • 『Tops & Bottoms are Included』: Our girl long johns consists of a long sleeve top and a pair of full length pants, great to be wear as a set or single.
  • Elastic closure
  • 『Ultra Soft and Comfortable』: 92% Microfiber (Polyester ) + 8% Spandex, smooth, lightweight, durable, bring your children warmth like live in Spring.
  • 『Fleece Lined Keep Warm』: Girl long underwear Thermals knit sets with Fleece Lining in nice thickness, gives your kids warmth, perfect for indoor/outdoor winter activities.
  • 『Comfy Skin Stretch』: Four Way stretch material with an elastic waistband, this base layer silk long john set perfectly fits body curves, keeps cozy in winter.
  • 『Sweat Moisture Wicking』: The thin light weight clothing maintains your toddler child body heat and breathable in the extreme cold weather.
  • 『Idea Gifts for Family/Friends』: Warmth is the best expression of love in winter, whether your girls are running, hiking, biking, hunting, snowboard, ski and camping, daily wear at home or under clothes. Machine washable,colors separately, air dry, no shrinking/fading.

User questions & answers

Question: Are these thermals moisture wicking? Also what is the recommended temperature are these designed to be worn in
Answer: Really. Either they are out of stock. Or you just ordered too late. Do they offer accelerated delivery?
Question: My daughter is going to Yosemite this February and needs thermals to wear under her clothes. Anyone here use them in the snow under clothes
Answer: arter's clothing is manufactured overseas, and the bulk of their clothing is manufactured in Cambodia, China, Vietnam, and Bangladesh, all countries that experience problems with polluting factories and poor labor conditions for many workers.—I googled this answer. Will look for another brand next time.
Question: Will it fade after cleaning? I'm worried about that
Answer: It's yellow and dark grey stripes
Question: What is the best way to launder these
Answer: They run true to size and it depends on the size of your son.

Product features

Girl's Fleece Lined Thermal Underwear Set

  • 92% ultra-soft polyester + 8% spandex
  • Double base layer knit long johns
  • Warmth Fleece lined moisture wicking
  • Shrinkage controlled for lasting size and shape
  • Full cut comfy fit, Elastic cuffs and waistband

Ultra Soft & Comfy

92% ultra-soft polyester, 8% spandex, ultra Soft, Comfortable and Durable, which leaves a smooth feeling on the skin.

Fleece Lining Keep Warm

They are silky on the outside but lined with soft warmth lining on the inside, help retain body heat and keep warm.

Moisture Wicking

The breathable fibers absorbs the excess moisture and then release it, keeping comfortable.

No Fading or Shrinking

Repeatedly washed without fuzz balls or shrinking, No fading with the highest grade color fastness.

Superior Elasticity

Four way stretch knitted pattern offers full freedom of movement, providing lasting size and shape.

Full Cut Comfy Fit

Perfect Fit Draping, both top and bottom are stretchy, perfect for active wear to keep you warm and comfy.

Elastic Cuffs & Waistband

The elastic band on the pants makes wearing and removal a breeze.

Anti-static Treatment

The fabric is specially treated with anti-static treatment, effectively anti-static during cold weather.

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