TOE PROTECTION: Left and right asymmetrical steel toes offering maximum comfort and unobtrusive fit; while meeting or exceeding ASTM F2412 and F2413 EH standards TRACTION: Oil- and slip-resistant, non-marking, rubber, sipped outsoles that meet or exceed ASTM F1677-96 and F2913 SATRA standards. UNDERFOOT PROTECTION: Electrical hazard (EH)-rated footwear provides a secondary source of protection incase accidentally coming into contact with live electrical circuits SUPPORT & COMFORT: KEEN.KEY-TECH FLEX: Contoured underfoot support provides structured stability and comfort with enhanced flexibility FOOT PROTECTION: Our internal metatarsal guards feature a lightweight, Peron XRD foam that hardens on impact, helping to reduce injury.