Left and right asymmetrical aluminum toes weigh 35% less than steel and offer asleaker appearanceBuilt on a women's specific lastKEEN.DRY waterproof, breathable membraneNylon shank for midfoot supportWaterproof leather upperElectrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides asecondary source of protection incase accidentally coming into contact with liveelectrical circuitsLocking metal lace hooksOil- and slip-resistant non-marking rubber outsole90 degree heel (5/8" Height) provides stability and helps "catch or lock" the footin placeHeat resistant, rubber outsole rated up to 572deg F / 300deg CCompression molded EVA midsole for comfortCleansport NXT Technology for natural odor protectionMeets ASTM F1677-96 Mark II non-slip testing standardsMeets ASTM F2913-17 SATRA non-slip testing standardsMeets ASTM F2412-17 and F2413-17 F I/75 C/75 EH standardsi Resistant Outsoles Keen Women's Seattle 6 Inch Aluminum Toe Waterproof Boot, 1022085 | redwoodtradingpost