The Scarpa 4-Quattro XT R is a light weight yet powerful ski boot, compatible with GripWalk bindings for both downhill skiing and ski touring. Sensitivity, precision and sustainability come together in the 4-Quattro XT to make it the perfect all-day boot, both on and off piste. A low stand height and flex index of 130 provide incredible impulse transmission and performance, making this boot ideal for expert skiers. The new Alpine Axial Hybrid construction consists of a tongue and strap combination connected on the medial side of the shell, which provides a precise fit at the midfoot and the ball of the foot, and accommodates a wide variety of foot types and sizes. This construction allows for the fit and precision of a classic overlap ski boot construction, while allowing easier entry into the boot, and also enables excellent transmission of impulses when turning and unparalleled control. The Presa® SKI-01 sole has an ergonomic design that guarantees excellent grip when walking, and is