Smooth and sleek HeatGear® fabric is durable, comfortable, and won"t weigh you down. 4-way stretch fabrication improves range of motion, dries faster and maintains shape. Signature Moisture Transport System wicks sweat away from the body, keeping you cooler and drier. Anti-odor technology prevents the growth of odor-causing microbes. 30+ UPF protects your skin from the sun"s harmful rays. Smooth flatlock seams prevent chafing. Durable heat-sealed UA logo on front and back lockertag. 5.0 oz. Polyester/Elastane. Imported.