Product Description Designed for skiers looking to easily switch the performance of their boots, Salomon's SHIFT PRO 100 AT has the stability needed for cruising down the mountain and the versatility required for hiking up. It performs like a true alpine boot while offering you the range of motion and comfort of a touring one. The shift has never been easier! Product Features & 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 transmission for a unique downhill performance. Backcountry 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. Custom shell HD The Custom Shell HD process brings fast personalization to the boot lower shell of in 10 minutes. Thin wall construction & new materials allow the foot to be closer to the shell. Surelock skiwalk mechanism A secure and simple walk mechanism which enables a great range of motion for walking, and locks to offer you a better and safer skiing performance. My CustomFit 3D seamless perf This new, anatomically designed, pre-shaped Perf liner is built without any internal or external stiches, so it improves foothold, precision and ensures a warmer fit. Polyurethane A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission. 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 when skinning up. Fiberglass Coreframe The Coreframe brings lightness, enhances sensations and increases power. It is a composite insert (fiberglass charged) that guarantees the boot's rigidity on performance boots. Coreframe The Coreframe brings lightness, enhances sensations and increases power. It is an insert that guarantees the boot's stiffness on performance boot. Seamless liner This new, anatomically designed, pre-shaped liner without internal or external stitches improves comfort, precision and ensures a warmer fit. Sensifit insert The soft PU Sensifit™ 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. 4 riveted aluminium 3D Choose from 3 different positions of the instep buckle for optimum in-step comfort, full customization and personalized foot hold. Riveted oversized pivot The Riveted Oversized Pivot ensures perfect power transmission between cuff and shell. 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.