Dead Or Alive Clothing U.S. Army Air Assault Performance Short Sleeve Shirt 100% Spun Polyester Imported Traditional t-shirt with the look and feel of cotton Includes PURE-tech moisture-wicking technology and Anti-microbial technology which keeps you dry and the shirt odor free Unisex cut; Sizes may run smaller for some men Lightweight, breathable, and super soft against the skin Machine Wash