Best 10 Girls Athletic Base Layers in 2026

Stretchy thermal fabric with brushed liner for warmth and snugness

Smooth, chafe-free flatlock seam construction

Crewneck design, easier for your kids to put the shirt on

Stretchy thermal fabric with brushed liner for warmth and snugness

Smooth, chafe-free flatlock seam construction

Crewneck design, easier for your kids to put the shirt on

Material of Girls Sparkly Leotards With Shorts: polyester and spandex, comfy, breathable and not see through

Size of Gymnastics Outfits: 4 sizes for your little girls choice, please kindly refer the size chart information

Occassions of Dance Unitards: perfect for girls gymnastics suits, athletic base layers, birthday party, school play, theme party, competition, tumbling class, ballet dance class, practice, exercise, casual wear, also one piece swimsuit. Great for a birthday gift

87% Polyester, 13% Spandex. Fleece Lined. Machine Washable.

Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior. For all-over warmth, pair the shirts with our youth sports tights.

Moisture wicking/ Quick-Dry fabric absorbs sweat from the skin,keeping you dry and comfortable

87% Polyester, 13% Spandex. Fleece Lined. Machine Washable.

Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior. For all-over warmth, pair the shirts with our youth sports tights.

Moisture wicking/ Quick-Dry fabric absorbs sweat from the skin,keeping you dry and comfortable

Our Most Legendary: Super-light HeatGear fabric delivers superior coverage without weighing you down

Material wicks sweat & dries really fast

4-way stretch construction moves better in every direction

HeatGear fabric is ultra-soft & smooth for extreme comfort with very little weight

Strategic mesh panels for added ventilation where you need it

Material wicks sweat & dries really fast

CHAMPION HERITAGE COLLECTION: celebrating the brands DNA and offering signature Champion looks you have come to know and love over the last 100 years! Match these back to your favorite tops

USES: These cold gear base layer boys athletic leggings are Ideal for your kids to either lounge casually at home or play sports like exercising, basketball, soccer, football, running, kickboxing, skiing, ice skating, hockey, in style.

COMFORT:Super smooth and soft polyester fabric ensures a pleasant and supple touch without irritation even with prolonged wear and the elastic waistband provides a comfort fit and prevents falling off. the close-fitting style does better in retaining body heat to keep you warm.

💓About its high-quality fabrics: the soft fabric feels like butter, you will love that they feel so breathable because our athletic leggings have ultrasoft, moisture-wicking stretch material. you will never once have the issue of bending over and having something go see-through — but they’re also very comfortable. The waistband is wide enough to not roll or dig, and they always have the best colors.

💓About his size: These plus sizes go up to a 4XL, and Excellent elastic fabric can easily adapt to your body changes. it comes in Capri length and petite-sizing girls don't care about length anymore. 25'' inseam, ankle length Perfectly shows the proportion of your legs, making your legs look more slender.

💓About the characteristics of leggings: High-waisted tummy control, contours your curves and streamlines your shape. Matte finish, non see-through, max out your stride, and move freely. thanks to their lightweight material. these are a great alternative to regular tights or you can use them as a base layer to stay toasty. They come in all sorts of fun colors as well as more basic black and navy if that’s more your speed.

💓About its high-quality fabrics: the soft fabric feels like butter, you will love that they feel so breathable because our athletic leggings have ultrasoft, moisture-wicking stretch material. you will never once have the issue of bending over and having something go see-through — but they’re also very comfortable. The waistband is wide enough to not roll or dig, and they always have the best colors.

💓About his size: These plus sizes go up to a 4XL, and Excellent elastic fabric can easily adapt to your body changes. it comes in Capri length and petite-sizing girls don't care about length anymore. 25'' inseam, ankle length Perfectly shows the proportion of your legs, making your legs look more slender.

💓About the characteristics of leggings: High-waisted tummy control, contours your curves and streamlines your shape. Matte finish, non see-through, max out your stride, and move freely. thanks to their lightweight material. these are a great alternative to regular tights or you can use them as a base layer to stay toasty. They come in all sorts of fun colors as well as more basic black and navy if that’s more your speed.

💓About its high-quality fabrics: the soft fabric feels like butter, you will love that they feel so breathable because our athletic leggings have ultrasoft, moisture-wicking stretch material. you will never once have the issue of bending over and having something go see-through — but they’re also very comfortable. The waistband is wide enough to not roll or dig, and they always have the best colors.

💓About his size: These plus sizes go up to a 4XL, and Excellent elastic fabric can easily adapt to your body changes. it comes in Capri length and petite-sizing girls don't care about length anymore. 25'' inseam, ankle length Perfectly shows the proportion of your legs, making your legs look more slender.

💓About the characteristics of leggings: High-waisted tummy control, contours your curves and streamlines your shape. Matte finish, non see-through, max out your stride, and move freely. thanks to their lightweight material. these are a great alternative to regular tights or you can use them as a base layer to stay toasty. They come in all sorts of fun colors as well as more basic black and navy if that’s more your speed.

Compression Material, Soft, Smooth, Stretchable and Good Recovery, Breathable, Anti-Pilling

★Important! Please Choose Size Base on Height and Refer to Weight Age is for Reference.3-4T(Height: 39"-43"), 4-5T(Height: 43"-47"), 6-7 Years(Height: 47"-51"), 8-9 Years(51"-55"), 9-10 Years(55"-59"), 10-11 Years(59"-63")

Long Jonhs Set Including Undershirts and Leggings

Prevent Cold from Sweating: these compression leggings are dream athlete partners for cold weather. Thanks to our wicking tech, it protect your kids from cold and keep them warm after sweating

Keep Dry and Comfort: These youth compression pants are made of breathable and sweat-wicking fabric, which dries really fast and delivers a smooth, soft feel for maximum comfort

High Elastic & Move Freely: four-way stretch high elasticity fabric makes the compression pants hug you tight like a second skin and provide enough compression for support and protection

Super-light HeatGear fabric delivers superior coverage without weighing you down

Material wicks sweat & dries really fast

Strategic mesh panels for added breathability

Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior

Material wicks sweat & dries really fast

Encased elastic waistband sits just right on the hips

Prevent Cold from Sweating: these compression shirts are dream athlete partners for cold weather. Thanks to our wicking tech, it protect your kids from cold and keep them warm after sweating

Keep Dry and Comfort: These youth compression shirts are made of breathable and sweat-wicking fabric, which dries really fast and delivers a smooth, soft feel for maximum comfort

High Elastic & Move Freely: four-way stretch high elasticity fabric makes the compression shirts hug you tight like a second skin and provide enough compression for support and protection

Ultra-soft double-knit fabric is breathable & comfortable

Inseam: YMD 25" (+/- 1.5" per size)

Pockets: No

Quality Fabric: Youth compression shirt made of high quality material, super soft and comfortable to wear, lightweight and breathable. Quick-Dry fabric wicks moisture and dries quickly, keep children dry and comfy. Compression shirts for boys are smooth and stretchy for better fit for kids, keep boys girls warm when in cold weather.

4-way stretch: Elastic fabric allows greater mobility and flexibility in any direction. It’s a great undershirt for wear under uniforms, athletic shorts and jerseys. Boys compression pants and tops designed with different color flatlock seams lines for reduce irritation from chafing.

Compression Shirts & Leggings Set: Two piece thermal sets consists a compression shirt and a compression pants. Compression top separately available. Small fits 6-7 years kids, Medium fits 8-9 years kids, Large fits 10-11 years kids, X-Large fits 12-13 years kids and 2X-Large fits 14-16 years kids.

92% Polyester, 8% Spandex

Stretchable,Non-friction and Comfortable: Four-Way Stretch fabric is smooth while stretchable enough to protects kids muscles and joints, fitting your children when Basketball?Soccer running, jumping, skipping and climbing. Boys compression shirts and leggings sets are quick dry and moisture-wicking that transports sweat away from the skin

Stay Warm and Breathable: These thermal shirts and pants set are moisture Sensing, quick dry and breathable, keeping your children in warm during outdoor actives, allowing the skin to breath?

92% Polyester, 8% Spandex

Stretchable,Non-friction and Comfortable: Four-Way Stretch fabric is smooth while stretchable enough to protects kids muscles and joints, fitting your children when Basketball?Soccer running, jumping, skipping and climbing. Boys compression shirts and leggings sets are quick dry and moisture-wicking that transports sweat away from the skin

Stay Warm and Breathable: These thermal shirts and pants set are moisture Sensing, quick dry and breathable, keeping your children in warm during outdoor actives, allowing the skin to breath?

92% Polyester, 8% Spandex

Stretchable,Non-friction and Comfortable: Four-Way Stretch fabric is smooth while stretchable enough to protects kids muscles and joints, fitting your children when Basketball?Soccer running, jumping, skipping and climbing. Boys compression shirts and leggings sets are quick dry and moisture-wicking that transports sweat away from the skin

Stay Warm and Breathable: These thermal shirts and pants set are moisture Sensing, quick dry and breathable, keeping your children in warm during outdoor actives, allowing the skin to breath?

4-way stretch compression base layer underwear provides easy movement and flexibility, pair with our boys thermal compression leggings will provide all-over warmth

These thermal shirts for big boys/ girls use soft, fleece lined fabrics which wicks sweat and dry quickly during exercises

Chafe-free flatlock seam construction, crewneck design, wonderful cold gear for kids

Omni heat technology keeps you warm. Omni wick technology keeps you dry and comfortable . Polyester/elastane. Black/reflective

Dual-layer ColdGear fabric with a warm, brushed interior & a smooth, fast-drying exterior

Material wicks sweat & dries really fast

4-way stretch construction moves better in every direction

●Premium Grade Fabrics:Kids thermal sets are made of comfortable and skin friendly materials, which are smooth and elastic, can insulate the extreme cold, and can quickly absorb moisture and dry, so they are very suitable for children to wear during sports.

●Unique Design: The children's thermals suits with four-way stretching function can provide enough freedom of movement for children without fear of damage. And our thermal underwears are designed with fashionable color lines to attract children to fall in love with wearing thermal clothing and reduce colds.

●Compression Shirts & Leggings Set:Tight sports clothes wrap sports muscles, reduce injury risk and help blood circulation.The size can be referred to: Small fits 6-7 years kids, Medium fits 8-9 years kids, Large fits 10-11 years kids, X-Large fits 12-13 years kids and 2X-Large fits 14-16 years kids.

Keep your kids warm and comfortable during outdoor play with our wool underwear. Crafted with 100% merino wool, our base layers are designed to keep them warm and dry in any weather.

The breathable and moisture-wicking fabric regulates temperature for all-day comfort, while the precise fit and smooth seams reduce chafing and irritation.

The long-sleeved style provides extra coverage and insulation, and the classic fit allows for easy layering.

✪【Materia】: Polyester / Spandex.The Youth Compression Shirt with Breathable and Soft Fabric, Designed to Keep Kids Cool In Summer and Heat Retention In Winter,As Boys White Long Sleeve Shirt,Black Long Sleeve Shirt Girls

✪【Quick Dry】: The Quick Dry Technology In Long Sleeve Compression Shirt Wicks Sweat Away From The Body Keeping You Dry and Comfortable and Dries Really Fast, As Baseball Shirts for Boys.

✪【4-Way Stretch】：The 4 Way Stretch Fabric Allows Compression Shirts for Kids to Move with You During Active Activities So Your Little Guy Is Not Restrained. Compression Shirts for Boys Features A Relaxed Fit and Comfort Flat Seams to Help Keep Teen Boy Dry and Comfortable.

Prevent Cold from Sweating: these compression shirts are dream athlete partners for cold weather. Thanks to our wicking tech, it protect your kids from cold and keep them warm after sweating

Keep Dry and Comfort: These youth compression shirts are made of breathable and sweat-wicking fabric, which dries really fast and delivers a smooth, soft feel for maximum comfort

High Elastic & Move Freely: four-way stretch high elasticity fabric makes the compression shirts hug you tight like a second skin and provide enough compression for support and protection