Dual-layer fabric gives you a soft, ultra-warm interior and a slick, fast-drying exterior. 4-Way Stretch fabrication allows greater mobility and maintains shape. Signature Moisture Transport System wicks sweat away from the body. Anti-Odor technology prevents the growth of odor causing microbes. Raglan sleeve construction and flatlock stitching allow a full range of motion without chafing. 6.8 oz. Nylon/Polyester/Elastane.