Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel Keen.Dry waterproof, breathable membrane Oil and slip resistant non-marking rubber outsole Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection incase accidentally coming into contact with live electrical circuits Heat resistant, rubber outsole rated up to 572° F / 300° C 90° heel (5/8" Height) provides stability and helps "catch or lock" the foot in place Nylon shank for midfoot support Waterproof leather upper Keen.Bellows Flex technology allows footwear to bend and flex 3x easier Keen Luftcell: Air-infused, PU midsole for weightless comfort LuftCore air-injected core for additional cushioning and shock absorption Direct attach PU construction creates a strong bond between the upper and outsole without the use of glue or cement Locking metal lace hooks Removable metatomical PU footbed Mesh liner provides breathability to help keep feet cool in warm environments Cleansport NXT Technology for natural odor protection Meets ASTM F2412-18 and F2413-18 M I/75 C/75 EH standards Meets ASTM F2913-17 SATRA non-slip testing standards Meets ASTM F1677-96 Mark II non-slip testing standards Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards Environmentally preferred premium leather from LWG-Certified Tannery PFC-Free, durable water repellent
