The Sealskinz Waterproof Extreme Cold Weather Gauntlet gloves are 100% waterproof and constructed using premium materials with technical layers to keep your hands protected. With an anti-slip lining, it gives users extra control and dexterity, while essentially removing the liner pull-out. 100% waterproof Constructed using premium materials Anti-slip lining Full dexterity and control Outer Layer - 50% Polyester, 40% Leather, 5% Elastane, 5% Polyurethane Middle Layer - 100% Polyurethane Inner Layer - 100% Polyester