Step into one of Keen's lightest work boots yet. With a Keen® Luftcell air-injected midsole and lightweight Aluminum safety toe, the San Jose is especially light. And, the unlined waterproof Leather upper means no break-in period. Waterproof Leather upper Cleansport NXT™ for natural odor control Left and right asymmetrical Aluminum toes Keen Luftcell dual-density Polyurethane midsole, infused with air for weightless comfort Removable, metatomical Polyurethane footbed TPU shank for midfoot support Midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards Meets ASTM F1677-96 MARK II non-slip testing standards Meets ASTM F2913 SATRA non-slip testing standards Meets ASTM F2412-11 and F2413-11 M I/75 C/75 EH standards Keen.Grip oil- and slip-resistant non-marking Rubber outsole Product Features: Waterproof:Yes Outsole:Keen.Grip oil- and slip-resistant non-marking Rubber Upper:Waterproof Full Grain Leather Electrical Hazard:Meets ASTM F2412-11 and F2413-11 M I/75 C/75 EH standards Height:6" Toe Protection:Aluminum Midsole:Keen Luftcell Dual-density Polyurethane Support (shank):TPU (Thermoplastic Polyurethane) Footbed:Polyurethane, metatomical, removable Slip Resistant:Meets ASTM F2913 SATRA non-slip testing standards Weight:25.8 oz. (730.0 g) Keen Men's San Jose 6" Aluminum Toe Waterproof Work Boot