Full-grain water-resistant leather with mesh liner that provides breathability to help keep feet cool in warm environments, Left and right asymmetrical, non-metallic carbon toes offer unobtrusive fit and are 15% lighter than steel, Heat-, 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, Cement construction for flexible, lightweight performanceKEEN.ReGEN lightweight, compression-resisting midsole providing up to 50% energy return with every step, Removable metatomical insole for comfort and support, Meets ASTM F3445-24 and F2413-18 M I/75 C/75 EH standards, Meets ASTM F2913-24 SATRA non-slip testing standards, Meets ASTM F1677-96 Mark II non-slip testing standards, Outsole and midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards, Imported,