Premium waterproof full-grain leather upper looks and feels premium; Breathable waterproof membrane with moisture wicking mesh lining; Removable DuraShocks dual-density PU footbed supports every step; Advanced comfort and protection from PU midsole; Wolverine DuraShocks high-abrasion TPU pads on outsole are 3x stronger than alternates; Time-tested Goodyear welt construction; Nylon shank adds extra strength