Height: 8 in.; Upper: Smooth, full-grain cattlehide leather and nylon fabric; Midsole: Highly cushioned, shock absorbent midsole; Outsole: 100% rubber Exclusive Vibram "IBEX" outsole for rugged terrain; Insole: TR-1 load bearing orthotic insole; Side zipper entry with molded security overlay; Sharp angled lugs and defined heel maximize traction; Aggressive lace-to-toe style allows for a customized fit; Air Mesh breathable, moisture-wicking lining; Men's Full Sizes: 3 - 16, R and W; Half Sizes: 3.5 - 11.5, R and W