Exceptionally warm, these mitts are made of soft deerskin on the palms and black Nylon backs. They are breathable, durable and with 100 grams of Thinsulate® lining, which is also waterproof even if submerged in water. Inside the mitt are glove like finger liners. Extra reinforcement in the webbing of thumb and index finger for added protection. Great for snowmobiling or for the use of tools outdoors.