Waterproof membrane seals out water and lets moisture escape, Waterproof full-grain leather and mesh upper with breathable mesh lining, Bellows tongue keeps out debris, Metallic hardware, Mesh footbed cover and molded nylon arch shank, Cleansport NXT treated for natural odour control, COMFORTBASE removable contoured footbed cradles your foot in all day comfort, Super Rebound Compound midsole provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot, Merrell Air Cushion in the heel absorbs shock and adds stability, Vibram TC5+ rubber outsole provides exceptional traction,