No other snake boot is easier to pull on and off. Simply grab the Adder Scent HD's oversized pulls, and slide them on. For a custom fit, cinch the rear gusset to your liking. That's all there is to it. In seconds, you're ready to hunt in rugged, scent-free, flexible snake-proof comfort. Scent HD is highly engineered, waterproof barrier that lines the entire boot for 100% protection that allows moisture to escape without letting water in, keeping you dry and comfortable all day long. Shaft Height: Approx. 18'' Tall.