Designed to protect even in the worst weather, Keen® Men's Dover carbon-fiber toe, direct attach work boot offers 600 grams of lightweight insulation, KEEN® Luftcell cushioning midsole, KEEN.DRY® membrane, and much more. Waterproof Leather upper KEEN.DRY® waterproof, breathable membrane Mesh and moisture-wicking Textile lining 600 g KEEN.WARM® insulation for extra warmth in colder environments KEEN® Luftcell: air-infused, PU midsole for weightless comfort Removable metatomical PU footbed KONNECTFIT® heel-capture system for a locked-in feel 90° heel (5/8" height) provides stability and helps "catch or lock" the foot in place TPU shank for midfoot support Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel Electrical hazard (EH) rated - providing a secondary source of protection in case of accidental contact with live electrical circuits Oil- and slip-resistant non-marking Rubber outsole Heat resistant, Rubber outsole rated up to 572° F / 300° C American built using the finest materials from around the world Product Features: Waterproof:Yes Outsole:Oil- Slip and Heat-resistant, non-marking Rubber traction Upper:Waterproof Full Grain Leather Electrical Hazard:Meets ASTM F2412-17 and F2413-17 M I/75 C/75 EH Standards Height:8" Insulation:600 g KEEN.WARM Lining:Moisture-wicking Textile Toe Protection:Carbon-fiber Midsole:KEEN Luftcell: air-infused, Polyurethane Insert:Keen.DRY waterproof, breathable membrane Support (shank):TPU (Thermoplastic Polyurethane) Slip Resistant:Meets ASTM F1677-96 MARK II Non-Slip Testing Standards; Meets ASTM F2913-17 SATRA Non-Slip Testing Standards Weight:31.4 oz. (890.2 g) Keen Men's Dover 8" Waterproof Carbon-fiber Toe 600g Insulated Boot