Developed based on Salomon’s extensive boot-building know-how, so you can experience a fit that instantly adjust to the specific shape of your feet, this boot delivers reliable performance with minimal fuss. The Autostretch liner is made of extendable foam with flexible edges, making it instantly adaptable to your feet and calf morphology.Benefits:Immediate comfort:- The 100mm last offers secure wrapping of the foot, the Sensifit insert makes it easy to step in, while the elastic sides of the Autostretch liner perfectly adapt to your calf.Instant adaptation:- The morphological cuff is designed to offer a more open position and automatically adapt to the shape of your calf, so you can enjoy more comfort while skiing.Uncompromised performance:- Based on the geometry and volume of one of Salomon’s favorite classics, the S/PRO, this boot doesn’t make any compromises on performance.Features: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.Autostrech liner:- Anatomically designed liner, it improves comfort while ensuring a warmer fit. The elastic sides of the Autostretch construction allow for perfect adaptation to your calf.Polyurethane:- A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission.Polyolefin:- More durable material, also providing lightness and stability.My InstantFit Sport:- This new, anatomically designed liner improves foothold while ensuring a warmer fit. The elastic sides of the Autostretch construction allow for perfect adaptation to your calf.Sense 35mm:- This 35mm strap holds the foot securely in place and optimizes power transmission.Alpine premounted ISO 5355:- Alpine pads are premounted and compatible with ISO 9462 alpine bindings.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.Spcifications:- Weight: 1873 g- Flex: 100- Franchise: Select- Norm: Alpine