This men's compression baselayer will become your cold-weather go-to. It's the weight of a T-shirt, fits comfortably next-to-skin, wicks away sweat, and keeps you amazingly warm. Workout in cold? Do it in ColdGear® Armour. Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Smooth, chafe-free flatlock seam construction. Updated, ergonomic mock neck with ARMOUR wordmark on back. 87 % Polyester/13 % Elastane.