When you are working in wet, muddy conditions, our general-purpose PVC* knee boots provide easy walking and all-day protection. Ideal Applications: General purpose in Agriculture, Industry, Concrete Pouring, and Construction. Chemical Resistance: Fats, certain acids, hydrocarbons, caustics, and other chemicals. 15-inch height - Steel Toe. 100% waterproof protection. Steel toe meets ASTM F2413 M/I/75/C/75. Flexible upper material stays supple in cold temperatures to make walking easier. Tougher outsole material for good abrasion resistance. Self-cleaning cleated outsole spits out debris as you walk. Removable cushion insole wicks perspiration to help keep feet dry and comfortable.