Best Spandex Girls Active Base Layers in 2026

87% Polyester / 13% 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 gear fabric technology offers dry, comfortable wear.

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

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

Stretch-mesh back & underarm panels provide strategic ventilation

4-way stretch construction moves better in every direction

MULTIPACK: Set of 3 super cute, soft, and trendy long sleeve shirts for girls. Activewear clothing warm enough to wear alone or as a base layer over your favorite tee.

DRYFIT: Lightweight breathable moisture wicking athletic shirts dries quick to keep kids fresh and dry through any sport. A must have for seasonal changes.

ACTIVEWEAR: UPF 50+ apparel provides protection from the sun's harmful UV rays. 4-way stretch provides a versatile layer for maximum range of motion.

❤88% Polyester 51% Spandex construction-durable and comfortable, these compression shirts and pants keep cold air away from children body and not lose away.

❤Four Way Stretch fabric wicks moisture and dries quickly. The long sleeve compression sets allows greater mobility in any direction. Great for under clothes for winter play.

❤Flatlocked seams – reduces friction build up to avoid irritation. These baselayer suits will give your kids a snug feel. These long sleeve sets compression fit improves blood flow and oxygen supply.

Boys Long Sleeve Compression:4-way Stretch Fabrication Allows Greater Mobility in Any Direction.

Material: Boys Compression is Made of Quick Dry and Moisture-Wicking Fabric,Our Youth Thermal Shirt Can Better Transports Sweat Away from The Skin.Thereby it Can Keep Your Kids Warm After Sports.

Kids Compression: Increase Muscular Power & Endurance - Compression Fit Improves Blood Flow and Oxygen Supply.Boys Thermal is Warm enough When Cold and Cool days, Perfect Wearing As Base Layer During Baseball Games or Some Other Active Practice.

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 bottoms

This cold gear base layer youth athletic long sleeve performance t-shirt is Ideal for your kids to either lounge casually at home or play sports like exercising, basketball, soccer, football, running, kickboxing, skiing, ice skating, hockey, baseball, in style.

This boys sports thermal t shirt top protects your kids' muscles and joints from getting injured, enhance sports effect and shorten recovery time after workouts the 4-way stretch construction and tag less design help move better and reduce irritation

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

🍃Long Johns Compression Sets🍃Kids thermal long Johns top and leggings, excellent stretchy and recovery, soft and comfortable, smooth, breathable, no pilling

🍃Full Fleece Lined🍃Premium and skin friendly fleece,no itching,keep warm for cold day,winter and air conditioning room

🍃Reinforce Triangle Crotch,No Slip Feet🍃Thicker pants,wide waistbands ensure baby waist comfort, reinforce triangle crotch,increase crotch scalability, no tear during dance, upgrade Striped sole,increase friction with shoes and prevent slipping

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?

Soft and Light weight athletic fabric with brushed interior traps the heat for warmth, while exterior material wicks moisture away to keep dry comfort.

Mock turtle neck design provides extra coverage for warmth, soft inner for added comfort.

4-way stretch for unrestricted movement, Gentle compression helps on muscle recovery after workouts

IDEAL OUTFIT: Dragonwing girls long sleeve shirts are specifically designed for tween and teen girls aged 8-17

HIGH QUALITY MATERIALS: Our tween girls clothes are made of high performance UV50, moisture-wicking, four-way stretch and odor-absorbent material with brushed inner for softness

COMFORTABLE DESIGN: Our girls compression shirt is tag-free and designed for comfort with mock neck, flat seams, thumbholes and extra length to keep the cold out

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.

●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.

2Pcs Kids Girls Stretchy Ballet Dance Bottoming Suit Long Sleeve Top Elastic Waistband Pantyhose

Size Table means age ranges for girls, but they are for general guidance only.

Round neck, long sleeve top, sheer color, elastic waistband pantyhose leggings

Ballet base layer set for girls, tops+pants.

Please choose size according to girl's height, M( 33.46"-37.4"), L( 37.4"-45.28"), XL( 45.28"-53.15"), 2XL( 53.15"-61.02"). If your girl is chubby, it is recommended to select 1 larger size.

Cotton thin fleece, Thermal storage to keep warm.

✪【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.

OFFICIALLY LICENSED REEBOK: Girls’ Performance Thermal Underwear 2 Piece Set; Greatness doesn’t come from standing still, Living an active life enables people to be their best selves

COMPLETE SET: 2 piece thermal underwear set for girls comes with a long sleeve crew neck performance base layer shirt and a pair of base layer leggings full length thermal underwear bottoms

THERMAL: Lightweight girls’ sport soft insulated base layer set helps you retain your heat; Performance fabrics provide warmth and insulation by trapping body heat and creating a warm layer next to the skin

100% RECYCLED TECH FABRIC for low ECO impact

Made of high quality material, light in weight, breathable, soft and comfortable to wear

Long sleeve and round neckline top, bowknot decorated of the chest, matching with elastic long pants

Casual loose enough clothes set, soft and warm velvet, beautiful and adorable ruffle edge design

Material: merino wool

Insulation Weight: midweight

Fit: slim

Base Layer: Offering thermal warmth, our heavyweight base layer 2-piece set will keep you cozy in the cold with a brushed fleece inside and matte soft outside. A close-to-the-body fit and tightly knit-fabric to wear under or on its own.

Moisture Wicking: Fabric helps to wick away moisture for stay dry comfort and warmth. The breathable densely knit fabric allows for maximized airflow and has a UV protection of 50+.

Stretch: Spandex stretches to move with you for flexible on-the-go comfort. Helps hug your body for a snug long underwear fit and comfy warmth retention. Delivers full mobility with no-bagging at the knees.