Best Spandex Girls Active Base Layers in 2026

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

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

Fitted: Streamlined fit that’s not too tight or too loose

Strategic mesh panels for added ventilation where you need it

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.

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

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.

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.

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.

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

Material wicks sweat & dries really fast

Strategic mesh panels for added breathability

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

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.

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.

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

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

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.