Fuller cut for complete comfort. UA CoolSwitch uses an exclusive coating on the inside that pulls heat away from your skin, making you actually feel cool & able to perform longer. 30+ UPF protects your skin from the sun’s harmful rays. Moisture Transport System wicks sweat & dries fast Anti-odor technology prevents the growth of odor causing microbes. 2-button placket for clean, modern look. Iridescent foil logo. Polyester/Elastane.