Designed for skiers looking to easily switch the performance of their boots between the stability needed for cruising down the mountain to the versatility required for hiking up, this boot performs like a true alpine boot while offering you the range of motion and comfort of a touring boot. Just chose your line, the shift has never been easier!Benefits:Legendary fit:- S/PRO’s 100 mm inclusive fit and anatomically designed Seamless liner combined with a softer Sensifit insert provide an exceptionally easy entry and anatomical wrapping.Performance proven:- The Coreframe insert delivers improved terrain feedback and power transmissionBackcountry commodity:- At 1.75 kg, this boot makes it easy to hike up. The Surelock skiwalk mechanism increases cuff mobility, while the integrated tech inserts ensure direct power transmission.Specifications:- Width: Medium- Norm: Gripwalk- Alpine Boot last: 100/106- Flex: 100- Weight (g): 1770- Strap: 360° 35MM- Stiffness: 3/5- Customizable: 4/5Technologies:Custom shell HD:- The Custom Shell HD process aims to bring fast personalization to the lower shell of your boots in just 10 minutes. The thinner wall construction and new shell materials allow the foot to be closer to the shell and provide enhanced sensations, more power and direct transmission.Surelock skiwalk mechanism:- Secure and simple walk mechanism, that enables a great range of motion for walking, and locks for skiing performance.My Custom Fit 3D seamless perf:- New anatomically designed pre-shaped Perf liner without internal and external stiches. To improve comfort, precision and ensure a warmer fit.Integrated tech inserts:- Low-tech inserts are integrated into the shell, making it complementary to touring bindings, so you can experience reliability and direct power transmission.Coreframe:- The Coreframe brings lightness, enhances sensations and increases power. It is an insert that guarantees the boot’s stiffness after the Custom Shell HD process.Sensifit insert:- The soft PU Sensifitâ„¢ insert on the external side of the shell makes it super easy to step in the boot, delivering easy step-in and anatomical wrapping of the instep.Polyolefin:- More durable material, also providing lightness and stability. Polyamid spine:- This specific polyamid piece is the secret element providing a good range of motion in hike mode and a true alpine flex in downhill mode.360° 35mm:- A 35mm strap to hold the foot securely and optimize power transmission.Gripwalk ISO 9523:- GripWalk pads are premounted and their specific shape improves walking comfort and grip whatever the conditions.Riveted oversized pivot:- The Riveted Oversized Pivot ensures perfect power transmission between cuff and shell.4 riveted aluminium 3D:- Choose from 3 different positions of the instep buckle for optimum in-step comfort, full customization and personalized foot hold.1 hiking hook:- An additional hook on the top cuff’s buckle expands the range of motion and mobility of the boot when it’s in hike mode, improving your comfort when heading up towards a peak.