Features Left and right asymmetrical aluminum toes weigh 35% less than steel and offer a sleeker appearance Electrical hazard (EH) rated - providing a secondary source of protection in case of accidental contact with live electrical circuits Nylon shank for midfoot support Shellback heel support Material Leather upper Oil- and slip-resistant non-marking rubber outsole KEEN Luftcell: Air-infused PU midsole for weightless comfort Removable metatomical PU footbed Technologies Electrical Hazard Provides a secondary source of protection when outsole accidentally comes in contact with live electrical circuits, helping to reduce the potential of electric shock. Weight & Dimensions Weight: 20.4 oz / 578.3 g Calf Circumference: 10.0 in / 25.4 cm Collar Height: 6.0 in / 15.2 cm Care Gently brush leather with a soft bristle brush or hand towel to remove loose dirt and debris. Tough stains may require a leather cleaner. Safety Features Safety Rating: Meets ASTM F1677-96 MARK II Non-Slip Testing Standards Meets ASTM F2913-19 SATRA Non-Slip Testing Standards Meets ASTM F2412-18 and F2413-18 F I/75 C/75 EH standards Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards Toe Type: Aluminum Toe Duty Type: Light Duty Water Resistant Certified Slip Resistant (Mark II) Keen Women's Gingerbread/Gum San Jose AT Work Boot