Under Armour Women's ColdGear Armour Mock 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 Anti-odor technology prevents the growth of odor-causing microbes Shaped hem delivers enhanced coverage without looking big & bulky