Features: Patented Smart Fabric Technology (SFT)(TM) by OutlastA(R) AirMesh(TM) contoured breathable backs for maximum airflow and heat dispersion U.S. Made SFT(TM) interior linings balance hand temperature to prevent hands from being either too hot or too cold ClarinoA(R)synthetic suede palm with micro-perforated holes for air ventilation Neoprene expandable wrist Seamless rolled finger tip design for superior tactility during searches NASA approved technology Smart Fabric Technology Unlined Style: DMX40