Top 10 Best kids long johns in 2026

Last Updated - 6/26/2026

🏆Best Choice

TELALEO

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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•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.

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$19.99

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Amazon Essentials

Amazon Essentials Boys' Thermal Long Underwear Set, Black, X-Large

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•COTTON BLEND THERMAL: Cut from cotton blend that is lightweight and boasts a waffle knit texture that is lofty yet cozy.
•EVERYDAY ESSENTIALS: Cotton blend thermal underwear set functions as a lightweight base layer to keep you warm.
•DETAILS: Long sleeve top with tag free crew neckline. Full-length pants feature front pouch and double layer keyhole fly. Ribbed cuffs at sleeves and leg openings.

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$14.30

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Ewedoos

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

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•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

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$19.99

$26.99

-26%

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Dalavch

Dalavch 2 Sets Youth Boys Thermal Base Layer Long Johns Compression Leggings and Shirts Fleece Lined Underwear for Kids Girls 1 Black 1 Heather Grey Medium

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【WARMTH PERFORMANCE】: Our kids' fleece lined compression set is designed to provide ultimate warmth during cold weather. The soft and thick material locks in body heat, keeping your little ones comfortable and protected.
•【FOUR-WAY STRETCH】: Our base layer was used exceptional four-way stretch fabric which allows unrestricted movement, ensuring your child can play, run, and jump with ease. Whether they’re climbing trees or playing sports, this suit provides the flexibility they need for active play.
•【QUALITY STITCHING】:This underwear was made with four needles and six threads, ensuring superior durability and longevity. No need to worry about loose threads or unraveling seams – this underwear is built to withstand the wear and tear of everyday play.
•【PREVENT COLD FROM SWEATING】: Even if your kids get wet or sweaty, our long johns quickly wicks away moisture and quick-dry in no time. The fabric’s remarkable technology also provides excellent insulation against the cold, so your children will stay warm even in chilly conditions.
•【VERSATILE for ANY OCCASION】: This thermal compression leggings and shirts is not only perfect for outdoor activities like skiing, snowboarding, or camping, but it’s also great for indoor use. Whether it’s lounging at home, attending a winter party, or going on a family outing, our kids’ fleece compression suit is suitable for various occasions.

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$27.99

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Fruit of the Loom

Fruit of the Loom Premium Boy's Thermal Waffle Set, Natural, 14-16

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•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

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VZV

VZV 3 Set Boys Thermal Underwear Set, Kids Thermal Long Johns Boy Fleece Lined Base Layer for Skiing, Cold Weather

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•3 Set Boys Underwear Combo: You'll get 3 sets of thermals, enough for your boy to wear, change and share every day in winter, and our boys' thermal underwear is suitable for kids aged 5-12
•Fleece-lined Thermal Underwear: The boys' long johns thermal set has a fleece lining for warmth, and the fabric is soft, lightweight, and comfortable, keeping the kids cosy all day long
•Warm and Dry Boys Thermals: Our underwear is breathable. When your child is hot and sweaty, it wicks moisture away from the skin, dries quickly and keeps him warm, making it a great choice for a boy's baselayer in cold weather
•High-Quality Kids Thermal Set: Our boys' top and bottom set is long-lasting and comfortable. It doesn't fade or pill easily, has a classic round neckline, no tags design and excellent elasticity
•Versatile Boys Thermal Set: Our boys' thermal long sleeve base layer is great for cold weather. It's perfect for skiing, camping, football and more. Keep your child warm in cold weather

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$31.99

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PUMYOON

PUMYOON 2T 4T 5T 3T Toddler Thermal Set, Girl Boys Thermal Underwear set for Kid, Black Pink Fleece Lined Long Johns

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Safe on Skin & Cloud-Like Softness: Toddler thermal set is made from premium fabric that is ultra-soft, breathable, and hypoallergenic. Features flawless craftsmanship with no loose threads or rough edges to prevent irritation, No itching, feeling like a second skin.
•Effortless Care & Long-Lasting Quality: Kids thermal underwear set designed for busy parents. This set is completely machine washable and quick-drying. It maintains its shape, color, and insulating properties wash after wash, with no shrinking or fading.It saves you from worrying about keeping your child warm in winter
•Warmth Without the Bulk：Toddler girls underwear features 240g premium fleece with temperature-locking technology, so 5°C feels like 15°C. The 4-way stretch allows for a close, non-bulky fit that ensures unrestricted play.
•Moisture-Wicking & Stays Dry：The breathable fabric actively wicks moisture away from the skin to keep your child dry and comfortable during activity, effectively preventing that post-sweat chill.
•Ultimate Base Layer：The perfect first layer under any outfit, from school clothes to sports uniforms. Ideal for home, school, soccer, skiing —your child's all-in-one winter solution and the perfect first gift of the season.

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$17.99

$19.99

-10%

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Resinta

Resinta Girls Cotton Thermal Underwear Set Toddler Long Johns Kids Warm Base Layer Top & Bottom for Winter Black

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Comfortable to wear: made of high quality 100% cotton, these toddler girls' long johns thermal underwear sets are soft to touch and friendly to toddler girls' tender skin, lightweight and breathable, drying quickly and insulating from the cold, bringing your girls warmth and comfort in the cold winter days
•Package includes: you will receive cotton toddler girls' thermal underwear in different pure colors, including long sleeve tops and long johns, each in vibrant and lovely shades that would appeal to girls of all ages, vibrant and lovely, enough for darly wearing and replacement. With multiple options at hand, girls will have a fresh and stylish outfit for every day of the week.
•Size information: Our toddler girls' winter thermal underwear sets are available in a range of sizes for girls to choose from. These sets come in various sizes to accommodate different age groups and body types. For your convenience, we've provided a detailed size chart in the accompanying pictures, allowing you to find the most accurate size for your toddler girl.
•Premium quality: with four-way stretch compression design, these toddler girls' thermal top and long johns can well fit girls' body while not restricting their movements, no pilling, no shrinking and no fading; the cuffs are all neatly-sewn for added comfort and warmth, must have thermal accessories for girls in the autumn and winter
•Versatile Performance: not only ideal choices for base layering and relaxing, but also for running, hiking, skiing and camping; In addition, these toddler kids cotton warm underwear sets are also nice gifts to girls for birthday and Christmas Day, great cold weather gear to keep girls warm and comfortable all day long

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$15.99

$16.99

-6%

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Heathyoga

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

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Comfortable kids are happy kids. - Naturally breathable. Soft against skin. Lightweight warmth. Our boys thermal sets are designed with ultra-soft 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 is designed with 4-way stretch and flexible 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 layer kids 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 the 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 boys thermal underwear set for physical activity. Perfect for winter clothes, birthday gifts, everyday wear, Christmas holiday gifts, outdoor play, cold weather, going out with friends, and relaxing at home.

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$22.99

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Poekuao

Poekuao Thermal Underwear for Kids Thermals Top and Bottom Set Boys Soft Long Johns Fleece Lined Base Layer for Skiing Black

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Practical Design: Thermal underwear for kids with thumb holes on the top for extra warmth, elastic waistband for easy on and off, and a functional fly for convenience
•Stretch & Warmth: Boys thermal underwear set made from 88% polyester and 12% spandex, featuring 4-way stretch outer fabric and fleece-lined interior for lasting warmth
•Soft & Moisture Wicking: Ultra soft breathable fabric wicks moisture to keep kids dry, fresh, and comfortable during indoor or outdoor activities
•Tagless Comfort: Kids long underwear features smooth flatlock seams and a tag free design to prevent chafing, reduce skin irritation, and provide all day comfort
•Multi Use Base Layer: Kids thermals top and bottom set perfect for home wear or as a winter sports base layer for skiing, ice skating, soccer, baseball, hockey, basketball, running, and more

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$21.99

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