This style has a full-grain leather vamp, collar and pull straps with a faux shaft. Inside, a soft mesh lining and a Durango Waterproof membrane bootie to keep your feel dry all day long, the Durango X-Pand System which gives a universal fit and easy on/off, and the Durango X-Treme Comfort with Memory Foam for all day comfort and support. The rolled shank and external shank provides lateral stability while the outsole and high abrasion outer lugs provides high impact durability and softer mid lugs for added flexibility and increased slip and oil resistance.