Keen® Men's Logandale Steel Toe Boot was built in Portland, OR to withstand anything you throw at it. A moisture-wicking lining keeps you cool, while exceptional abrasion resistance keeps them looking good for the long haul. Synthetic upper Keen.Dry waterproof, breathable membrane Keen.Web-Tech abrasion technology TPU shank for midfoot support Direct-attach Polyurethane midsole for long-lasting comfort Lining with hydrophobic/hydrophilic 2-zone comfort technology Cleansport NXT™ for natural odor control Removable, metatomical dual-density EVA footbed Left and right asymmetrical steel toes Meets ASTM F1677-96 MARK II 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 American Built with materials from around the world Product Features: Waterproof:Keen.Dry™ waterproof, breathable membrane Outsole:Keen.Grip oil- and slip-resistant non-marking Rubber Upper:Synthetic Electrical Hazard:Meets ASTM F2412-11 and F2413-11 M I/75 C/75 EH standards Lining:Moisture-wicking Textile Toe Protection:Steel Midsole:Polyurethane Support (shank):TPU (Thermoplastic Polyurethane) Weight:24.60 oz. Keen Men's Logandale Steel Toe Waterproof Boot