This classic looking pair is one of our lightest boots yet, with an air-injected midsole for sustained comfort and an aluminum safety toe. Its all-weather style gets even better with a KEEN.DRY waterproof, breathable membrane. Left and right asymmetrical aluminum toes weigh 35% less than steel and offer a sleeker appearance KEEN.DRY waterproof, breathable membrane Shellback heel support Nylon shank for midfoot support 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 KEEN Men's San Jose 6 Inch Waterproof Boot Soft Toe 1027082