This style is full-grain leather, has a soft mesh lining, high abrasion heel counter, waterproof bootie construction and the Durango® X-Pand System™ which is a hidden gore expansion on the inside medial seam for a universal fit and easy on/off. It also has the Durango® X-Treme Comfort Footbed™ with memory foam for all day comfort and support and a fiberglass shank for lightweight stability.