Tour Master Synergy 2.0 Electrically Heated Men's Textile Street Racing Motorcycle Gloves - Black / 2X-Large Comfort stretch fabric and goatskin palm construction with a Rainguard waterproof and breathable barrier Clarino palm panel resists glove wear 100gm Polyfill insulation increases warmth and heat retention Lightweight and flexible steel fiber heating elements provide instant and even heat A dual or single rheostat is available and easily and accurately adjusts through a range of temperatures and provides a constant temperature