Left and right asymmetrical steel toes offering maximum comfort and unobtrusive fit. Oil- and slip-resistant non-marking rubber outsole. 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. Siped outsole disperses liquids quickly for increased traction. Reflective webbing for additional safety and visibility. ESS stability shank for midfoot support. Waterproof leather upper. KEEN.ReGEN: A lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam. Shellback heel support. Locking metal lace hooks. Removable metatomical PU footbed. Meets ASTM F2412-18 and F2413-18 M I/75 C/75 EH standards Meets ASTM F2913-19 SATRA non-slip testing standards Meets ASTM F1677-96 Mark II non-slip testing standards. Environmentally preferred premium leather from LWG-Certified Tannery PFC-Free, durable water repellent.