Features American built using the finest materials from around the world Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel KEEN.DRY waterproof, breathable membrane Electrical hazard (EH) rated - providing a secondary source of protection in case of accidental contact with live electrical circuits Heat resistant, rubber outsole rated up to 572° F / 300° C 90° heel (5/8" Height) provides stability and helps "catch or lock" the foot in place TPU shank for midfoot support KEEN Luftcell: Air-infused, PU midsole for weightless comfort Direct attach PU construction creates a strong bond between the upper and outsole without the use of glue or cement KONNECTFIT heel-capture system for a locked-in feel Material Waterproof Leather Upper Oil- and slip-resistant non-marking rubber outsole KEEN Luftcell: Air-infused, PU midsole for weightless comfort Mesh & Moisture-Wicking Textile Lining Removable metatomical PU footbed Technologies American Built Assembled with pride in Portland, Oregon, using the finest materials from around the world. KEEN.DRY A proprietary waterproof, breathable membrane that lets vapor out without letting water in. 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. Keen | Dover | 8" WP CFT Work Boot | Dark Earth-Black