Heel Height: Approx. 1 1/2'' Tall. The Bitterroot GTX is a premium, all-leather backpacking boot that lives up to its name. Features a waterproof leather upper, molded rubber to bumper, Gore-Tex technology, excellent arch support, and Vibram sole. Embark on an adventure in the Vasque Bitterroot GTX lace-up shoe. A TPU shank provides supportive stability, while a dual-density EVA footbed hiking boot sports a slip-resistant outsole to keep you steady on challenging terrain.