The Under Armour Men's CGI Basecamp Quarter Zip Shirt delivers warmth and heat retention. The generous 1/2 Zip front makes for easy layering. FeaturesBinding trim on cuffs & bottom hemColdGear Infrared lining uses a soft, thermo-conductive coating to absorb & retain your body heatGenerous 1/2 Zip front makes for easy layeringDo not use softenersOdor control technology minimizes odor4-way stretch material moves better in every directionMachine wash cold with like colorsSecure, snap-closure hand pockets