Under Armour Men's Ua Tech 1/4 Zip 100% Polyester Hang Dry Lightweight UA Tech Fabric - A softer, more natural feel for superior comfort. Moisture Transport System - Wicks sweat away from the body, keeping you cooler and drier. Anti-Odour Technology - Prevents the growth of odour causing microbes. Smooth Flatlock Seams - Providing chafe-free motion. 110g Polyester