The 100% waterproof Rancher Steel Toe Work Boot is designed with both comfort and durability in mind. For warmth and support, Bogs paired a dual-density, contoured EVA insole with Dura-Fresh anti-odor protection. The 2mm of EverDry with Max-Wick technology keeps feet dry and fresh. This boot is comfort rated for temperatures down to -40°F with 7mm of Bogs Neo-Tech insulation. Design features a deep lug BioGrip outsole that is slip-resistant, chemical resistant, and self-cleaning. Meets ASTM 1677, F2913-11, D471 2010, ASTM F2413-11, and F2412-11 standards.