Heel Height: Approx. 1 1/2'' Tall. The Vasque Bitterroot GTX boot is a premium, all-leather backpacking boot. This men's outdoor boot delivers waterproof protection paired with support and stability that's needed for navigating the trails. The Vibram outsole of the Vasque Bitterroot GORE-TEX boot provides reliable traction and enhanced durability. Leather upper.