Black Diamond Men's Crew Mitts Shell: 92% nylon/8% Spandex, Palm: 100% Goat Skin, Lining: 100% Polyester Imported Goat leather palm and palm patch Fixed lining with 100% waterproof and breathable GORE-TEX insert with Plus Warm Technology Abrasion-resistant, woven nylon shell Fixed lining with 100 g fleece on palm and 100 g Thermolite insulation on back of Foam padding on knuckles for impact protection