UA Trail Run Wool.FEATURES:-Running shirt designed specifically for the hazards of the trail.Light, ultra-durable, stretchy, and built to dry fast.No trail is too tough.Super-soft wool-blend delivers natural odor, temperature & moisture management to keep you cool & dry.-Nearly sew-free design to eliminate chafing.-Material wicks sweat & dries really fast.-Odor control technology minimizes odor.-Interior bungee locker loop for easy hang upStyle :6001832.-Reflective details.-45% Nylon/29% Polyester/27% Wool.-Imported.