Built with Flatlock Seams that feel smooth against the skin and prevent chafing, Raglan sleeve construction allows for total mobility and a full range of motion, while eliminating shoulder seam abrasion points, Anti-Odor Technology prevents the growth of odor causing microbes, strategic vent zones built into key points where the body dumps heat, keeping you cool, dry, and comfortable, Anti-Odor Technology prevents the growth of odor causing microbes, 30+ UPF protects your skin from the sun's harmful rays and inhibits premature aging, features digi camo print, 100% Polyester.