Under Armour UA Running Men Run Leader T-Shirt Fitted: Sits close to the skin for a streamlined fit without the squeeze of compression. Lightweight fabric built for speedfast drying and ridiculously comfortable. Signature Moisture Transport System wicks sweat away from the body. Anti-Odor technology prevents the growth of odor causing microbes. Smooth Flatlock Seams allow chafe-free motion. Polyester. Imported.