This style has a full-grain leather foot, collar, and pulls straps with a faux shaft and a waterproof membrane bootie construction to keep your feet dry all day long. It features a soft mesh lining, the Durango X-Pand System which is a hidden gore expansion on the inside medial seam for a universal fit and easy on/off and the Durango X-Treme Comfort footed with Memory Foam for all-day comfort and support.