KEEN Utility Men。Keen Utility Mens 11D Boots Brown Waterproof Leather CSA Safety Carbon Toe Excellent condition only worn a few times This ultra-heavy-duty pull-on waterproof work boot steadies, protects and keeps feet comfortable with stability-enhancing features and an air-infused midsole. Features : KEEN.DRY waterproof, breathable membrane seals out moisture from the inside Non-mutilating upper reduces the chance of marking or scratching surfaces 3/4 Goodyear welt construction for enhanced durability and flexibility under extreme working conditions Contoured heel guard helps protect against bumps, scrapes, wear, and tear Nylon shank for midfoot support Environmentally preferred premium leather from LWG-certified tannery for cleaner water PFAS-free, durable water repellent repels water just as well as forever chemicals without harming the planet KEEN Luftcell midsole infused with 100,000 microscopic air bubbles per cubic centimeter for all-day comfort Oil- and slip-resistant non-marking rubber outsole Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear helps provide a secondary source of protection in case of accidental outsole contact with live electrical circuits Full-grain Barnyard Resistant leather helps resist the damaging effects of jobsite chemicals like oleic acid, urea, sodium chloride, and ammonium hydroxide Removable, dual-density PolyAer insole with aerated pillow-top cushioning for comfort Leather Thickness: 1.80-2.00mm