The Salomon S/PRO ALPHA 100 Ski Boots offer a high level of customization and performance, making them ideal for skiers who demand a precise fit. Built with a Custom Shell HD that molds to your foot in just 10 minutes, these boots feature a 3D instep shell for improved heel lock and comfort. The My CustomFit 3D Perf liner provides additional support and is heat-moldable for a perfect fit, while GripWalk pads enhance walking comfort and traction. With durable, adjustable buckles and a 35mm Velcro strap, these boots ensure optimum power transmission and control.