Keen Independence 6" WP Internal Met Safety American built using the finest materials from around the world Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel KEEN.DRY waterproof, breathable membrane ASTM/CSA-Certified, internal, metatarsal guard is flexible and lightweight for comfort, but hardens and protects upon direct impact Contoured heel guard protects against bumps and scrapes, plus normal wear and tear Nylon shank for midfoot support 90° heel (5/8 Height) provides stability and helps catch or lock the foot in place Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection in case accidentally coming into contact with live electrical circuits Environmentally preferred premium leather from LWG-Certified Tannery PFC-Free, durable water repellent MATERIALS Full-grain waterproof leather Locking metal lace hooks Removable metatomical PU footbed KEEN Luftcell: Air-infused, PU midsole for weightless comfort Oil- and slip-resistant outsole that is lighter weight and more durable than rubber