The Obermeyer Men's Leather Mittens are made from 100% full-grain goat leather and have 170 grams of insulation in the palm for all day warmth and comfort. They have a pre-curved design, that has an ultra-ergonomic fit and extra warmth with the grouped together fingers. The Obermeyer Men's Leather mittens are ultra-durable, built for frosty days, perfect for your time on the mountain.