With waterproof full grain leather and a seam-sealed waterproof construction, it will keep you warm and dry through the snowiest of times. The easy on-and-off zip closure makes these boots deceivingly easy to slide on. UPPER: Waterproof full grain leather and coated combination. Medial side zipper. Canvas and synthetic lining. Seam-sealed waterproof construction. OUTSOLE: Molded rubber outsole, leather wrapped heel.