All Under Armour(R) Apparel features a tagless design or tear-away tag with no left-over pieces. The Under Armour(R) ColdGear Armour Fitted Crew is the perfect base layer that keeps you warm and dry without being bulky or riding up, so you can stay focused all season long. Dual-layer fabric with an ultra-warm, brushed interior and a smooth, fast-drying exterior. Stretch-mesh back and underarm panels provide strategic ventilation without sacrificing warmth. Four-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. 87% polyester, 13% elastane. Machine wash.