This is the first layer you put on every time the mercury dips. It's the weight of a T-shirt, fits comfortably next-to-skin, wicks away sweat, and keeps you amazingly warm. If you work out when it's cold, you better do it in ColdGear® Armour. Fitted: Next-to-skin without the squeeze. Updated brushback knit fabric maximizes comfort, breathability & maintains warmth 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 Smooth flatlock seams prevent chafing Fitted silhouette gives a more supportive, feminine feel 87% Polyester/13% Elastane Imported