Developed for skiers looking for outstanding performance that easily adapts to the shape of their feet, Salomon’s S/PRO ALPHA 120 sets a new standard in comfort and performance levels. Featuring an easily customizable shell and liner, this 98 mm boot delivers a strong heel lock without adding unnecessary pressure on your instep. Salomon S/Pro Alpha 120 GW Features: 3D instep shell: This Shell technology, with its thinner plastic and 45 positioning of the 2nd buckle ensures stronger heel lock and more consistent foothold without unnecessary instep pressure. Power spine: This metal plate links the cuff and the shell to provide strong back support, progressive rebound out of the turn, and powerful forward flex no matter the snow conditions. My CustomFit 4D Perf: A pre-shaped Perf liner with more foothold and instant fit. Cushier foams and outside placement of the Talyn fabric ease adaptation, the elastic toe box gives more forefoot space. Polyurethane Shell: A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission. 3D instep shell: This Shell technology, with its thinner plastic and 45 positioning of the 2nd buckle ensures stronger heel lock and more consistent foothold without unnecessary instep pressure 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. Sensitive footbed: This pre-shaped footbed enables precise ski steering and foot stability thanks to a dedicated rigid heel insert and performance-driven foam layering. Screwed energyzer velcro 45mm: This easy to remove 45 mm thick strap holds the lower leg securely in place and optimizes power transmission, while an elastic section enhances rebound and progressiveness. GripWalk pads are premounted and their specific shape offers improved walking comfort and more grip no matter the conditions. 4 screwed aluminium 3D Buckles: Choose from 3 different positions of the instep buckle for optimum in-step comfort, full customization and personalized foot hold. 6mm back spoiler in the box: A plastic piece that can be scratched on the back of the boot, between the top of the cuff and the liner, to provide skiers with additional forward lean and more engagement.