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