This heavy-duty wedge introduces lightweight comfort into a classic style. Carbon-fiber toes and air-infused midsole offer unbeatable comfort while an EH-rated rubber outsole provides better slip-resistance. Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel. KEEN.DRY waterproof, breathable membrane. 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 of accidental outsole contact with live electrical circuits. Full-grain Waterproof Leather Upper - Barnyard Resistant. KEEN Luftcell: Air-infused, PU midsole for weightless comfort. Continuous Goodyear welt construction for enhanced durability under extreme working conditions. Shellback heel support. Locking metal lace hooks. Removable, dual-density PolyAer PU footbed with aerated pillow-top cushioning. Material Full-grain waterproof leather - Barnyard Resistant. Oil- and slip-resistant non-marking rubber outsole. KEEN Luftcell: Air-infused, PU midsole for weightless comfort. Moisture-Wicking Textile Lining. Removable, dual-density PolyAer PU footbed with aerated pillow-top cushioning. Technologies KEEN.DRY: A proprietary waterproof, breathable membrane that lets vapor out without letting water in. Barnyard Resistant. Superior leather resists the damaging effects of oleic acid, urea, sodium chloride, and ammonium hydroxide in order to extend the life of your boot. 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. Safety Features Meets ASTM F2412-18 and F2413-18 M I75 C75 EH standards. Meets ASTM F2913-19 SATRA Non-Slip Testing Standards. Meets ASTM F1677-96 MARK II Non-Slip Testing Standards. Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards. Toe Type: Carbon-Fiber Toe. Duty Type: Heavy Duty. Water Proof. Certified Slip Resistant (Mark II) Dimensions Weight: 34.5 oz 978.1 g. Calf Circumference: 11.0 in 27.9 cm. Collar Height: 6.0 in 15.2 cm.