Full-grain leather upper. Protective rubber rand and toe cap. Waterproof membrane treated with M Select FRESH. Conductor fleece lining. EVA removable footbed. Molded nylon arch shank. Merrell Air Cushion in the heel. EVA midsole. M Select DRY seals out water and allows moisture to escape. Vibram Arctic Grip outsole. 5mm sole lug depth. 822g weight.