Durable, fire-resistant, polishable full-grain leather upper with Danner dry waterproof protection, which has been tested for body fluid borne pathogen resistance and meets or exceeds ASTM f1671-13 standards Mountaineering-inspired, lightweight, athletic design and flexible puncture proof midsole board is CSA certified to -2195 Vibram S587 fire & Ice oil-and-slip-resistant outsole offers heat resistance and traction over high-angle terrain Non-metallic toe meets or exceeds ASTM F2413-18 I/75 C/75 EH Nfpa 1977: 2016 edition certified