Where does the job take you? Wherever the action is. Be prepared to move with confidence in any direction, on any surface, with the rugged lug, dual density Z-Trac outsole in these black leather and performance air mesh nylon side zip boots. The BBP Waterproof barrier protects you from dangerous fluids, too. A composite safety toe protects from impact. Composite shank gives your arches extra reinforcement. And a removable polyurethane SHOCK ZONE insole means you can save the day without harming your feet. - Full-grain leather/400g air mesh - BBP Waterproof - Removable SHOCK ZONE polyurethane footbed - Composite shank - Z-Trac ASR outsole - Cement construction - ASTM F1671/1671M-13 - ASTM F2413-11 - ASTM F1677-05 - ASTM 2913-11 - Meets ASTM F2913 Slip Test Standards