Boot Height: Approx. 11'' Tall. Hyper-dri is a highly engineered, waterproof, scent-free barrier that lines the entire boot for 100% protection. Not only does Hyper-dri block water from entering the boot, it also absorbs moisture in the boot and transfers it away from your foot. Steel toe meets ASTM F2413-05/75 C/75 EH certification for protective footwear and has long been the standard for safety. Full-grain leather upper for classic styling and waterproof protection. Pull loops for easy on and off. Welt construction offers ultimate durability around and gives you more underfoot stability.