Boot Height: Approx. 16'' Tall. Ozone-resistant, abrasion-resistant rubber offers 100% waterproof protection. Steel toe, steel midsole and metatarsal guard all meet and exceed ASTM F 2413 M 1/75 C/75 Mt/75 EH PR. Contoured heel prevents heel slippage and gives you a more ridged fit. Double layer toe guard provides extra-long wear in conditions where crawling is required. Long-wearing Vibram Lug outsole for heavy-duty traction in outdoor conditions. Removable insole for cushioning comfort.