Meets ASTM F3445-21 and F2413-18 F I/75 C/75 EH standards Meets ASTM F1677-96 Mark II non-slip testing standards Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel 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 Mesh liner provides breathability to help keep feet cool in warm environments Removable metatomical PU footbed KEEN.ReGEN: A lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam Oil- and slip-resistant non-marking rubber outsole

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