Under Armour Girls' Cozy ColdGear Long Sleeve 87% Polyester/13% Elastane Imported Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior Material wicks sweat & dries really fast 4-way stretch construction moves better in every direction Cozy loose-fitted mock turtleneck for comfort & extra warmth Shaped drop-tail hem offers superior back coverage