The Under Armour Women's UA ColdGear Authentics Crew is designed for ultimate warmth and performance. Its dual-layer fabric features a brushed interior for exceptional warmth and a smooth, fast-drying exterior. The material effectively wicks sweat and dries quickly, keeping you comfortable during any activity. For strategic ventilation, mesh underarm panels provide breathability where you need it most. This top is built with raglan sleeves for a full range of motion. The material composition is 87% Polyester and 13% Elastane. Care instructions: Machine wash cold with like colors, do not bleach, tumble dry low, do not iron, do not use softeners, and do not dry clean. The streamlined fit is ideal for layering, sitting against the body like a second skin without being too tight or loose. This base layer top also features anti-odour technology.