Get the toughness you need to get the job done and the comfort you need to go all day. 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. Weight & Dimensions Weight:34.5 oz / 978.1 g Calf Circumference:11.0 in / 27.9 cm Collar Height:6.0 in / 15.2 cm 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 M I/75 C/75 EH 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) Keen Men's Cincinnati WTPF CF-Toe Boot