premium waterproof insulatedblackpremium full-grain waterproof leather from a silver-rated tannery provides comfort, durability and keeps feet drywaterproof membrane keeps feet dry and comfortable for protection in any weather400 grams of primaloft insulation keeps active feet warmfully gusseted tongue provides comfort and keeps debris out100% recycled pet lining made from recycled plastic bottles is comfortable, breathable and environmentally conscious100% recycled pet felt lining on the top collar and tongue for extra warmthrustproof d-ring hardware for quick lacingshock-absorbing eva midsole for cushioning