Thermal Underwear for Kids

Items for sale: 15
Price range: $14.24 - $36.98
Last updated: Tue Sep 23 08:41:27 BST 2025

Fruit of the Loom boys Premium Thermal Waffle Underwear Base Layer Set, Black, 7-Jun US

  • Long sleeve crew neck t-shirt and pant set with reinforced seam construction
  • Soft mini waffle fabric made from U.S. sourced cotton and recycled polyester
  • Wicks away moisture, dries fast, and retains heat
  • Tagless collar and waistband
  • Easy Care
Fruit of the Loom boys Premium Thermal Waffle Underwear Base Layer Set, Black, 7-Jun US
$19.99 - $22.00
Last change: 2025-08-10
SKU: B08BSN7P44

Thermajane Thermal Underwear for Kids Long Johns, Girls Thermal Underwear Set, Base Layer Kids Long Underwear (Black, Medium)

  • Heat Retention: Our long johns for kids will keep your child warm. The thermal underwear for girls can be worn under their clothes or alone around the house.
  • Ultra Soft: This kids thermal underwear set comes as girls fleece lined leggings and a girls thermal shirt that will keep them comfortable when they're out in the cold or relaxing at home.
  • Moisture Wicking: Stay dry and odor free with our kids base layer set. They wick away moisture and are ideal for girls winter clothes.
  • 4 Way Stretch: Mobility is everything for your active children. Kids thermal underwear set for girls will fit snugly, but will move with her so there's nothing holding her back.
  • Layer Up: Long underwear kids are perfect as a base layer. They have no added bulk so they fit under your girl's regular clothes easily for added protection from the cold.
Thermajane Thermal Underwear for Kids Long Johns, Girls Thermal Underwear Set, Base Layer Kids Long Underwear (Black, Medium)
$25.99
Last change: 2025-08-10
SKU: B07MGSMC92

Rocky Thermal Underwear Kids, Boys Thermal Underwear Set Long Johns Thermals Kids Base Layer kid thermals top bottom set Boys Winter Clothes Shirt & Pants, Ski/Extreme Cold (Black, Medium)

  • THERMAL UNDERWEAR KIDS: STAY-PUT DESIGN: Oversized jackets? Check. Bulky sweaters? Double check. Cargo pants loaded with all the essentials? Yup, even them. No matter how heavy your outer layers are, our thermals for kids base layers for cold weather stay put under even the heaviest loads.
  • KEEP WARM AND DRY: Ultra soft fleece lined thermals for kids combined with moisture-wicking power can only mean one thing: Your little one is wearing Rocky fleece lined base layer kids underwear. No more sweaty, shivering nights \u2014 just warm, toasty goodness that wraps you in whole body comfort.
  • ALL-DAY COMFORT: From morning jogs in freezing temps to chilly winter nights, our underoos are designed to keep you comfortable and warm all day long. With our fleece base layer kids soft fabric that's lightweight yet warm, it's the kids underwear boys love.
  • EASY TO CLEAN: A few wash cycles, and your long johns are toast. At least, inferior waffle-knit thermal tights are. Not with Rocky winter undies! Our thermal wear for boys are made from durable poly-spandex and superior stitching, washing machines are no match for their tough-as-nails construction.
  • THERMALS KIDS LOVE: \u201CMooooom! They're SO itchy!\u201D Four words you'll never hear your little one utter in a pair of Rocky thermal wear for kids boys underwear. With fleecy-soft comfort and a no-ride design, your little one will be nothing but cozy and content with Rocky kids thermal wear.
Rocky Thermal Underwear Kids, Boys Thermal Underwear Set Long Johns Thermals Kids Base Layer kid thermals top bottom set Boys Winter Clothes Shirt & Pants, Ski/Extreme Cold (Black, Medium)
by Rocky
$23.99
Last change: 2025-08-10
SKU: B01LYSIZZ8

Spyder Kids Thermal Underwear Set - 2 Piece Brushed Back Fleece Lined Long Johns Base Layer Set for Boys and Girls (4-18), Size 6-7, Black

  • AUTHENTIC SPYDER: Cozy Long Sleeve Top and Thermal Pants Underwear Set for Boys and Girls; Products built with over 40 years of performance research in the science of speed
  • HIGH-QUALITY INSULATION: Keep your children warm with this thermal underwear for kids, featuring a soft brushed back fleece lining that locks in heat for ultimate comfort. Perfect for layering under kids winter clothes or worn as standalone kids long johns, this set is ideal for cold-weather activities like skiing, snowboarding, and outdoor play for both boys and girls.
  • MOISTURE-WICKING FABRIC: Engineered with breathable, moisture-wicking fabric, this kids thermals top and bottom set pulls sweat away from the skin to keep your kids dry and comfortable all day. Whether worn as a kids ski base layer or during intense play in chilly weather, this durable set works for boys and girls, making it an essential thermal clothes for kids in winter.
  • FLEXIBLE AND SNUG FIT: Designed for movement, this kids thermal set features a flexible stretch waistband and snug ankle cuffs for a secure, stay-put fit. The lightweight material allows kids to move freely during sports or play without bulk. Whether worn under gear or as thermal wear for kids, this set keeps boys and girls warm, cozy, and ready for all-day adventures.
  • VERSATILE WINTER ESSENTIAL: This kids thermal underwear set includes a thermal long-sleeve top and matching pants, designed to deliver warmth without restricting mobility. Suitable for both boys and girls, this long johns for kids set works as a kids base layer for skiing, snowboarding, and winter activities, ensuring they stay toasty, active, and protected in freezing temperatures.
Spyder Kids Thermal Underwear Set - 2 Piece Brushed Back Fleece Lined Long Johns Base Layer Set for Boys and Girls (4-18), Size 6-7, Black
by Spyder
$19.99
Last change: 2025-08-10
SKU: B0DJRQ1HQT

Girls Thermal Underwear Set Ultra Soft Fleece Lined Kids Long Johns Top Bottom Thermals Kids Base Layer Winter Warm (Charcoal, X-Large)

  • BASE LAYERS: When going out to jog, run, bike or cycle in the cold, use this set under your clothing to keep warm and cozy in freezing cold climates or bad weather
  • MOISTURE WICKING & BREATHABILITY: Breathable and moisture wicking fabric is perfect to keep sweat away and dry fast
  • EXCELLENT FLEXIBILITY FOR ANY MOVEMENT: Four way stretch compression is designed for Freedom of Movement and to keep your Body Looking Slimmer. Flatlock stitching creates a flat seam to the garment to ensure maximum comfort and prevents chafing
  • BASE LAYERS: Girls winter thermal underwear is super warm and soft on the inside and thins enough to fit under your any clothes comfortably. This thermal set definitely can be wore as an outdoor compression sports shirt
  • FOR ANY OCCASION: This long johns set for cold weather. Idea for all kinds of indoor/outdoor activities, such as cycling, skiing, running, snowboarding, etc
Girls Thermal Underwear Set Ultra Soft Fleece Lined Kids Long Johns Top Bottom Thermals Kids Base Layer Winter Warm (Charcoal, X-Large)
$20.98
Last change: 2025-08-10
SKU: B09JW4QW74

Rocky Thermal Underwear Kids Girls Thermal Underwear Set Long Johns kid Thermals Kid Base Layer kids thermals top bottom set Winter Clothes Shirt Pants Ski/Extreme Cold (Lavender, S)

  • THERMAL UNDERWEAR KIDS: STAY-PUT DESIGN: Oversized jackets? Check. Bulky sweaters? Double check. Cargo pants loaded with all the essentials? Yup, even them. No matter how heavy your outer layers are, our thermals for kids base layers for cold weather/skiing stay put under even the heaviest loads.
  • KEEP WARM AND DRY: Ultra soft fleece lined thermals for kids combined with moisture-wicking power can only mean one thing: Your little one is wearing a pair of Rocky youth thermal set underwear. No more sweaty, shivering nights \u2014 just warm, toasty goodness that wraps you in whole body comfort.
  • ALL-DAY COMFORT: From morning jogs in freezing temps to chilly winter nights, our underoos children thermal underwear set are designed to keep you comfortable and warm all day long. With our fleece base layer kids for cold weather soft fabric that's lightweight yet warm, it's the kids underwear girls love.
  • EASY TO CLEAN: A few wash cycles, and your long johns are toast. At least, inferior waffle-knit thermal tights are. Not with Rocky winter undies! Our thermal wear for girls are made from durable poly-spandex and superior stitching, washing machines are no match for their tough-as-nails construction.
  • THERMALS KIDS LOVE: \u201CMooooom! They're SO itchy!\u201D Four words you'll never hear your little one utter in a pair of Rocky thermal wear for kids warmer thermals girls underwear. With fleecy-soft comfort and a no-ride design, your little one will be nothing but cozy and content.
Rocky Thermal Underwear Kids Girls Thermal Underwear Set Long Johns kid Thermals Kid Base Layer kids thermals top bottom set Winter Clothes Shirt Pants Ski/Extreme Cold (Lavender, S)
by Rocky
$26.99
Last change: 2025-08-10
SKU: B01LZRR915

Heathyoga Thermal Underwear for Kids Thermal Set Fleece Lined Base Layer Boys Long Johns Winter Clothes for Girls Black

  • Comfortable kids are happy kids. - Naturally breathable. Soft against skin. Lightweight warmth. Our kids thermal sets are designed with ultra-soft and fleece inner fabric to lock in heat and provide maximum comfort. With a moisture-wicking finish, we ensure these thermals for kids will keep him warm dry, and comfortable through all of his winter activities.
  • Flexible stretch for ease of movement. - To enhance the overall comfort and fit, thermal underwear for kids are designed with 4-way stretch and flexibility fabric for all of their big adventures outdoors during tumultuous winter temps so they can enjoy their snow days to the max.
  • Snug fit style keeps everything in place. - Tight-fitting base layers with a comfy elastic waistband are safer and more comfortable, they don't bunch up or move around while out and about or during sleep. Ensure he'll be comfortable slipping into a little extra warmth in the morning.
  • Convenience & Safety. - The pocket on the right side of toddler thermal set allows for easy storage of small items such as candy or cards, which is especially handy for children who like to have their personal belongings within reach. Newly upgraded reflective elements: help to enhance visibility, making activities such as playing football at night or running safer.
  • Multifunctional performance - A 2 piece long johns for kids can be used in various ways, providing comfort and warmth indoors as loungewear and outdoors as thermal underwear for physical activity. Perfect for birthday gifts, everyday wear, Christmas holiday gifts, outdoor play, cold weather, going out with friends, and relaxing at home.
Heathyoga Thermal Underwear for Kids Thermal Set Fleece Lined Base Layer Boys Long Johns Winter Clothes for Girls Black
$19.99
Last change: 2025-08-10
SKU: B0C9D1MP54

Rolimaka 2 Pack Youth Boys' Thermal Underwear Set Fleece Lined Compression Shirt Leggings Sports Tights Pants Big Kids' Base Layer M

  • These boys thermal underwear set include one thermal compression pant and one thermal shirt, they use ultra-soft & smooth fabric for extreme comfort with very little weight. It has a soft fleecy interior that helps hold in heat
  • Slim, stretchy design let you move free and easy or layer for warmth, and material wicks sweat & dries really fast
  • Extremely simple design -using less seams to reduce irritation from chafing in activities
  • Anti-odor technology prevents the growth of odor, keep you stay comfortable and focus
  • These boys fleece thermal compression pants as perfect sports base layers. Improve your performance for skiing, snowing, soccer, basketball, hockey, baseball, lacrosse, jiu-jitsu, snowboarding and other sports in cold weather days
Rolimaka 2 Pack Youth Boys' Thermal Underwear Set Fleece Lined Compression Shirt Leggings Sports Tights Pants Big Kids' Base Layer M
$25.99
Last change: 2025-09-23
SKU: B0C6H116GX

Silkfly 3 Set Girls Thermal Underwear Soft Winter Thermal Top and Bottom with Fleece Lined Base Layer for Girls(L,Black, Pink, Rose Pink,3 Set)

  • Package Included: you will receive 3 set thermal underwear set for girls, each set in this pack includes a long-sleeve top and matching bottoms, perfect for layering under her favorite outfits or wearing as pajamas on chilly nights, ensuring that she can move freely without feeling constricted
  • Skin Friendly: our girl's thermal top and bottom set is made of quality 92% polyester and 8% spandex, soft and comfortable, moisture wicking and elastic to keep your girl enjoy long time comfort and warmth, will effectively do its job to allow girls to set up for winter adventures, not easy to bunch up even after long time outdoor activities
  • Humanized Design: these thermal top and long underwear with 4 way stretch compression design, so these girls' thermal top and long underwear not restricting their movements, no shrinking and no fading after machine wash; The cuffs are all neatly sewn for added comfort and warmth, ideal for staying cozy on winter days
  • Humanized Design: these thermal top and long underwear with 4 way stretch compression design, so these girls' thermal top and long underwear can well fit girls' body while not restricting their movements, no shrinking and no fading after machine wash; The cuffs are all neatly sewn for added comfort and warmth, ideal for staying cozy on winter days
  • Wide Application: winter thermal underwear set is an ideal choice for girls to wear both indoors and outdoors in freezing cold climates or bad weather, not only suitable bedtime and sleepovers, but also for running, hiking, skiing and camping; These kids warm underwear sets are also nice gifts to girls for birthday and Christmas day
Silkfly 3 Set Girls Thermal Underwear Soft Winter Thermal Top and Bottom with Fleece Lined Base Layer for Girls(L,Black, Pink, Rose Pink,3 Set)
$29.99
Last change: 2025-09-23
SKU: B0DL8V4TYN

Ewedoos Thermal Underwear Set for Kids Thermals Top and Bottom Set Boys Long Johns Base Layer Thermal Set Black

  • Fleece-Lined Soft (Without bulk). Ewedoos thermal underwear for kids gives your kids a high-quality warmth thanks to our unique soft and thick fleece-lined lightweight fibers. Ewedoos long johns for kids keep you warm but not bulky. Bring it on, blizzards. Do your worst, polar vortexes
  • Unique Neckline Shirts. Ensuring maximum protection for your kids - the collar has been widened, increasing extra coverage area for your kid's neck. To keep up with them on their adventures, our kids thermals top and bottom set also feature flat and unnoticeable seaming, reducing chafing over long sessions
  • Functional Reflective Design. Ewedoos thermal underwear for kids features 2 unique Reflective details to improve your visibility during dawn or dusk. A perfect thermal clothing set for your boys and girls, for skiing on the slopes, winter hiking, hunting, softball game or simply lounging or sleeping
  • All-weather Performance (Without sweaty mess). Airflow moves easily through the garment. The 15% spandex makes these boys thermal underwear set ultra-comfortably 4-way stretch, and the 85% polyester adds extra breathability & moisture-wicking to keep you comfortable and dry, so trips to the snow won't be ruined by constant uncomfortable sweating and overheating. Children can keep their love for sports and keep winning
  • Gifts That Make Spirits Bright. Warm on the inside to keep your children going outside. Ewedoos kids thermals top and bottom set let children not be afraid of the winter and melt away distractions all year long. Great for Christmas, birthday and New Year gifts
Ewedoos Thermal Underwear Set for Kids Thermals Top and Bottom Set Boys Long Johns Base Layer Thermal Set Black
$14.24
Last change: 2025-09-23
SKU: B0CBKJ8C6X

Fruit of the Loom Boys' Performance Baselayer Thermal Underwear Set, Black, 14/16

  • Super soft thermals long johns underwear made from recycled polyester
  • This boys thermal underwear set will keep your child warm. It is the perfect base layer for fall and winter activities
  • Featuring moisture wicking fabric that helps keep him dry during any activity
  • Tag free for extra comfort
Fruit of the Loom Boys' Performance Baselayer Thermal Underwear Set, Black, 14/16
$24.99
Last change: 2025-09-23
SKU: B0BHFC1SXF

Thermajane Thermal Underwear for Kids Long Johns, Girls Thermal Underwear Set, Base Layer Kids Long Underwear (Black, X-Large)

  • Heat Retention: Our long johns for kids will keep your child warm. The thermal underwear for girls can be worn under their clothes or alone around the house.
  • Ultra Soft: This kids thermal underwear set comes as girls fleece lined leggings and a girls thermal shirt that will keep them comfortable when they're out in the cold or relaxing at home.
  • Moisture Wicking: Stay dry and odor free with our kids base layer set. They wick away moisture and are ideal for girls winter clothes.
  • 4 Way Stretch: Mobility is everything for your active children. Kids thermal underwear set for girls will fit snugly, but will move with her so there's nothing holding her back.
  • Layer Up: Long underwear kids are perfect as a base layer. They have no added bulk so they fit under your girl's regular clothes easily for added protection from the cold.
Thermajane Thermal Underwear for Kids Long Johns, Girls Thermal Underwear Set, Base Layer Kids Long Underwear (Black, X-Large)
$25.98
Last change: 2025-09-23
SKU: B07M9M1KMQ

Fruit of the Loom girls Premium Thermal Waffle Underwear Base Layer Set, Lavender/Purple, 8-Jul US

  • Warm waffle long john thermal set for girls
  • Soft mini waffle fabric made from U.S. sourced cotton and recycled polyester
  • Long-sleeve crew-neck t-shirt and pant set with reinforced seam construction
  • Wicks away moisture, dries fast, and retains heat
  • Tagless collar and waistband
Fruit of the Loom girls Premium Thermal Waffle Underwear Base Layer Set, Lavender/Purple, 8-Jul US
$19.99
Last change: 2025-09-23
SKU: B09HY58ZTJ

AMZSPORT 2 Pack Kids Thermal Base Layer Set Winter Fleece Lined Long Underwear for Boys & Girls Warm Cold Weather Gear for Skiing Football, Soccer & Training,Black L

  • WARM & COMFORTABLE: Crafted from 80% polyester and 20% spandex, this kids' thermal base layer features a plush fleece lining to lock in warmth during chilly weather. The ultra-soft fabric hugs the body comfortably, while the tagless neckline eliminates irritation for all-day coziness.
  • FLEXIBLE & BREATHABLE: Crafted with four-way stretch fabric, this base layer offers full freedom of movement, so kids can run, jump, and play without restriction. The moisture-wicking material keeps them dry and comfortable during sports and outdoor activities.
  • VERSATILE FOR ANY ACTIVITY:Great for sports, play, or everyday wear\u2014whether it's football, skiing, running, or just outdoor fun. The body-hugging design moves with them, ensuring unrestricted motion for maximum performance.
  • STYLISH & SAFE:Features a sleek two-tone design, a reflective logo on the front, and reflective stripes on the back for added visibility. Perfect for evening or low-light conditions, blending style and safety.
AMZSPORT 2 Pack Kids Thermal Base Layer Set Winter Fleece Lined Long Underwear for Boys & Girls Warm Cold Weather Gear for Skiing Football, Soccer & Training,Black L
$36.98
Last change: 2025-09-23
SKU: B0D3X6S5T8

TELALEO Boys' Girls' Long Sleeve Compression Shirts Thermal Fleece Lined Kids Athletic Sports Tops Leggings Baselayer Set XS

  • 85% Polyester / 15% Spandex (elastic fabric), Fleece Lined.
  • Feature: TELALEO Boys long sleeve compression shirts use stretchy brushed inner fleece material,thick and thermal, keeps your children warm in cold winter days.
  • Heat Retention fabric technology offers dry, comfortable wear.
  • Smooth flat seams prevent chafing, while the durability is great.
  • Perfect for soccer, baseball, ice hockey, basketball, snowboarding, running and other activities in cold weather days. Size Chart: XSmall=US Size 6-6X / Small=US Size 7-8 / Medium=US Size 10-12 / Large=US Size 14-16 / X-Large=US Size 18-20.
TELALEO Boys' Girls' Long Sleeve Compression Shirts Thermal Fleece Lined Kids Athletic Sports Tops Leggings Baselayer Set XS
$19.99
Last change: 2025-09-23
SKU: B0841X61PK

Published date: 2023-01-31 03:36:34