ALLOY TOE: Left and right asymmetrical aluminum safety toes weigh 35% less than steel toes, and meet or exceed ASTM F2412 and F2413 EH standards FIT & DESIGN: Built on a specific women’s last (foot form) that is wider than the industry norm for improved fit and comfort; The sizes listed are women’s and fit true to size; Breathable mesh upper keeps your feet cool in warmer temperatures TRACTION: Oil- and slip-resistant, non-marking, siped, rubber outsoles for improved traction that meet or exceed ASTM F1677-96 and F2913 SATRA standards SUPPORT & COMFORT: Features KEEN. ReGEN technology; a lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam making safety footwear more comfortable; Includes removable PU insole UNDERFOOT PROTECTION: Electrical hazard (EH)-rated footwear provides a secondary source of protection incase accidentally coming into contact with live electrical circuits