Battle-tested and built to last, Propper Series 100 8" Waterproof Boots have a triple-stitched flesh-out cattlehide leather waterproof upper and 1000 D nylon panels that promote air flow while enabling a full range of motion. An open-cell air mesh foam footbed with Aegis. odor-control liner keeps you cool and comfortable through long hours on patrol. With mission essential features, like a slip and oil-resistant rubber outsole with reinforced instep for climbing and rappelling tasks, these coyote boots are approved for wear with U.S. Air Force and U.S. Army OCP uniforms