Keen Men。Nwot Keen Csa Philadelphia Mens Carbon -Fiber Toe Work boots. Excellent quality construction. Photos show exact boots you will receive if you have any questions feel free to ask. CARBON-FIBER TOE: Left and right asymmetrical, non-metallic carbon-fiber (composite) toes offer unobtrusive fit and are 15% lighter than steel; Meets CSA Z195 Grade 1 standards for toe protection, and ASTM F2412 and F2413M I/75, C/75, MT/75, EH standards WATERPROOF: KEEN.DRY is a waterproof, breathable membrane liner, keeping your feet dry and comfortable; Full-grain barnyard resistant waterproof leather helps resist the damaging effects of oleic acid, urea, sodium chloride, and ammonium hydroxide TRACTION: Oil- and slip-resistant, non-marking, rubber outsoles; Lug sole patterns and 90° heel (5/8\" Height) provide grip for increased traction; These work boots meet or exceed ASTM F1677 Mark II and ASTM F2913 SATRA non-slip standards PROTECTION: Meets ASTM D471 #903 standards for oil and isooctane chemical resistance; ASTM/CSA-certified, non-metallic, flexible puncture resistant midsole plate; Featuring an internal, lightweight metatarsal guard for enhanced impact protection SUPPORT & COMFORT: Removable, dual-density PolyAer PU footbed with aerated pillow-top cushioning and KEEN Luftcell air-infused, PU midsoles are used for weightless comfort; Made with a 3/4 Goodyear welt construction for enhanced durability and flexibility