Built on the trusted fit of the original Alpha, the S/Pro Alpha BOA® 120 delivers smooth, responsive energy transfer thanks to Salomon’s revolutionary ExoDrive construction and Powerlink lower pivot. The 98 mm last ensures a performance-driven fit, while the cuff-mounted BOA® Fit System brings micro-level precision and maximum control. Specifications: Stiffness: Hard Boot width: Narrow Weight: 4lb, 2 oz Skier Level: Advanced Features: Exceptional foot wrapping: The innovative 3rd cuff overlap design delivers incredible heel retention by enhancing wrapping around the ankle and helping the boot flex as one unified, powerful system. Assisted transmission: A lowered pivot point and increased cuff surface enhance direct energy transfer, maximizing power transmission and control. Redesigned premium fit: The reworked S/Pro CF Expert liner with 4D construction, premium finishes, and new, edgeless Custom Tongue 2.0 offer endless personalization options for a tailored fit.