Waterproof PRO construction Premium full-grain leather Energy Max anti-fatigue insole Mesh lining Dial in a fast, effortless, precision fit with the micro-adjustable BOA Fit System and Carbon Fiber Toe. Goodyear welt construction Protective ExGuards on toe and heel Lightweight, shock-absorbing EVA midsole Oil-and slip-resisting Duratread outsole 90 degree heel Safety Toe is ASTM F2413-18 M/I/C EH rated