Designed to keep you performing at your optimum best under any condition, the Airman Temperate Weather 8" is constructed with a GORE-TEX waterproof upper and a Vibram 360 maximum traction outsole. Specifications 8" height in men's size 9 regular Fleshout cattle hide leather / nylon upper Padded collar for added comfort Gusseted tongue to keep dirt and debris out Brass speed lacing hooks maintain a snug and secure fit GORE-TEX waterproof / breathable liner Cushioned polyurethane insole provides comfort and is removable for airing and cleaning Custom-molded thermoplastic heel counter and toe box for instant comfort and lateral support Direct attach polyurethane midsole for comfort and durability Vibram 360 outsole: provides maximum traction on various terrains with substantial edging capabilities for braking, push-off, and stability, meets the ASTM F489-96 test for slip resistance