S/Pro Supra Boa 105 Ski Boots 2026

Featuring an Exowrap™ Construction and the BOA® Fit System, these boots offer micro-adjustable precision that wraps your foot securely, allowing easy adjustments throughout your day on the slopes.

Best for:
All-Mountain, Advanced

Stiffness: Hard
Boot width: Medium

More contact, better fit
Strategically placed thinner-shell walls enhanced by the BOA® dial and lace system increase the number of adjustment points around the forefoot, ensuring a fully tailored fit.

Precise foot wrapping
The BOA® dial and a latex-foam liner with an elastic belt, create a more rounded shape that adapts precisely to the contours of your feet.

Perfect ski-steering capability
By dissipating pressure points and perfectly wrapping your foot, the Exowrap™ construction delivers perfect heel and ankle hold, increasing your control on the slopes.

BOOT SHELL
Polyurethane: A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission.
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.
SensiFit™ Mesh: The alveolated PU insert, located on the inside of the shell, makes it super easy to step in. Combined with the BOA® Fit System, it reinforces the wrapping feeling when closing.
Exowrap™

CUFF
Polyurethane: Material with consistent density that ensures perfect wrapping, progressivity and good power transmission.
Custom Shell™ HD: The Custom Shell™ HD process lets bootfitters personalize to the boot’s lower shell or cuff in 10 minutes while thin wall construction and new materials keep the foot closer to it
Power screw
Women calf adjuster: The Women Calf Adjuster allows more fitting options (perimeter +11mm & height +4mm) that adapt to different women's calf morphologies.
Women cuff design: An anatomic cuff with lower rear support that offers a better fit and more comfort to women’s calves.

LINER
My Exowrap™ 4D Perf: This Perf liner brings foot wrapping to the next level thanks to the elastic belt around the forefoot and the new latex-foams layering offering snug foothold and precise steering.

STRAP
Screwed velcro 45mm: This 45 mm thick strap holds the foot securely in place and optimizes power transmission. It is easy to remove or replace as it is screwed in with two screws.

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
Full service: The buckles, toothplate, strap and oversized pivot are screwable so dismantling the boot is easy and bootfitters can easily access all parts when working on customizing the fit.

TIGHTENING
2 screwed aluminium: Two screwable buckles that are easy to remove for bootfitting and repair purposes.
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.
1 Tool free tooth rack: Easy tool-free personalization to the lower leg volume by rotating and moving the lower buckle.

LINER CONSTRUCTION
Exowrap™ belt
Custom tongue: Fully dismantlable and entirely customizable tongue that allows for perfect instep height adaptation. You can add foams or remove materials where it's needed (+/-8mm).

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