Waterproof and breathable, Keen® Men's Lansing Steel Toe Waterproof Work Boots were designed for all-day comfort, support, and stability on the job. Reflective safety features run the entire length of the shoe for added visibility. Waterproof Leather upper Moisture-wicking textile lining Left and right asymmetrical steel toes Keen.Dry® waterproof, breathable membrane TPU shank for midfoot support Removable, metatomical dual-density EVA footbed Torsional stability shank (TSS) Reflectivity webbing from toe to heel for additional safety and visibility Meets ASTM F2412-11 and F2413-11 M I/75 C/75 EH standards Oil- and slip-resistant non-marking rubber outsole Product Features: Waterproof:Keen.Dry® waterproof, breathable membrane Outsole:Oil- and slip-resistant, non-marking rubber with aggressive tread pattern Upper:Waterproof leather Electrical Hazard:Meets ASTM F2412-11 and F2413-11 M I/75 C/75 EH standards Lining:Textile Support (shank):TPU (Thermoplastic polyurethane) Footbed:Removable, metatomical dual density EVA (Ethyl Vinyl Acetate) foam Weight:24.97 oz. (708 g) Keen Men's Lansing Steel Toe Waterproof Work Boot