Shift Supra S Boa 120 Ski Boots 2026

Featuring the advanced BOA® Fit System and Exobelt™ Technology, this boot provides a responsive yet smooth ride, giving you the confidence to explore every part of the mountain.

Best for:
All-Mountain, Advanced

Stiffness: Hard
Boot width: Medium

1 screwed BOA® Fit System
The BOA® Fit System delivers micro-adjustable, precision fit engineered to perform in the toughest conditions. It also offers superior heel hold and edge-to-edge control.

Increased uphill performance
This redesigned SkiWalk and FreeSpine offer a wide range of motion and progressive alpine flex, while the horizontal closing position prioritizes safety and durability.

Exceptional foothold
The claw strap, Exobelt, and BOA® Fit System keep your foot close to the shell, ensuring increased stability, minimal heel movement, and efficient power transfer.

BOOT SHELL
Polyurethane: A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission.
Integrated tech inserts: Low-tech inserts are integrated into the shell, making it complementary to touring bindings, so you can experience reliability and direct power transmission when skinning up.
Midgrip sole: A Contagrip® piece between the toe and heel and GripWalk pads improve the boot's grip in difficult terrain such as a rocky summits, ice and other uneven surfaces.
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.
Exobelt: Combining a strong textile/plastic fastener and BOA® Fit System, the Exobelt offers great heel hold and blister-prevention during ascents and precision and power during descents.

CUFF
Polyolefin: More durable material, also providing lightness and stability.
Frictionless pivots: Polymer bushings provide a completely natural cuff rotation for effortless movements on the way up.
Freespine: This extremely sturdy plastic bar on the back of the boot links the cuff and lower shell to add a layer of reliable alpine progressivity to your freeride comfort.
Twinlock mechanism: This redesigned SkiWalk and FreeSpine offer a wide range of motion and progressive alpine flex, while the horizontal closing position prioritizes safety and durability.
PowerWedge: A little insert into the FreeSpine, the PowerWedge enhances your range of motion when unlocked and boosts power transmission when locked for an authentic alpine experience.

LINER
My Custom Fit™ Freeride 4D Pro: This pre-shaped liner offers an increased foothold and fit. Cushier foams and outside placement of the Talyn® ease adaptation, while the elastic toe box gives more space.

STRAP
Riveted velcro 45mm

PADS
Gripwalk premounted ISO 23223: GripWalk pads are premounted and their specific shape offers improved walking comfort and more grip no matter the conditions.

ADJUSTMENT
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.
Screwed frictionless pivots

TIGHTENING
2 riveted aluminium 3D
1 screwed BOA® Fit System: The BOA® Fit System delivers micro-adjustable, precision fit engineered to perform in the toughest conditions. It also offers superior heel hold and edge-to-edge control.
2 hiking hook

LINER CONSTRUCTION
Walk function
Lace loops

INSOLE
Light² footbed: Slightly shaped, lightweight footbed made of special, lighter foams.