Bogs Footwear Workman 17" Comp Toe Work Boots Made for wet, cold work environments, this tall waterproof work boot delivers protective coverage with flexible comfort. The neoprene upper is constructed with 7.5MM Neo-Tech waterproof insulation and is comfort rated from -72°F to 60°F for performance across extreme temperature changes. An asymmetrical composite safety toe provides non-metallic protection, while the easy pull-on design makes getting ready for the job simple. With an approximately 13 1/2-inch height, 17-inch circumference, and 1-inch heel, this boot meets ASTM F1677 and F2413-11 M/I75, C/75 standards.