Wells Lamont Leather Work Gloves, Insulated Suede Cowhide, Extra Large (1031XL) Leather: 100% Cowhide. Back: 96% polyester, 4% spandex. Knuckle Strap: 100% nylon over neoprene. Finger inserts: 60% nylon, 40% polyurethane. Lining: 100% polyester. Insulation: 100% 3M polyester Imported Keep your hands comfortable and protected while you're working. Suede cowhide is durable and abrasion resistant. Insulated with 60 gram Thinsulate insulation and an easy slip on design. Lightly padded neoprene knuckle insert keeps knuckles protected. Wells Lamont - Stubborn About Quality since 1907.