evo.com | Salomon Alpine Touring Ski Boots > The bad and burly Salomon Shift Supra BOA 130 Alpine Touring Ski Boots now come in sizes all the way down to 22.5 Mondopoint - powerful female rippers take note - but aside from color, this super popular boot stays the same. Full Custom Shell heat moldability, a My Customfit 4D Race liner, and a Surelock ski/walk mechanism that stays hidden under your pants in the lift line combine to deliver one of the best hybrid solutions in the industry. Surelock Ski Walk Mechanism Bomber and low profile walk lever is positioned at the same level as the upper buckle to promote quicker transitions. Last: 100 mm A medium last for feet of average width and volume. Can be heat molded using the custom heat molding process to approximately 106mm in the forefoot. Shell Polyamide with XECARB(R) 10 Composite CoreFrame + Sensifit Insert Riveted Oversized Pivot The Riveted Oversized Pivot ensures perfect power transmission between cuff and shell. My Custom Fit 4D Race Liner with Walk Function A variation on Salomon's premier 4D race liner with flexible rear shaft for enhanced touring | Salomon Shift Supra BOA 130 Alpine Touring Ski Boots 2026 - 29.5 in Purple