S/Pro Alpha 100 Ski Boots 2025

Featuring an easily customizable shell and liner, this 98 mm boot delivers a strong heel lock without adding unnecessary pressure on your instep.

Best for
All-Mountain
Intermediate
Narrow feet

Easier Instep
The thinner plastic and strategic positioning of the 2nd lower shell buckle put less pressure on the top of your foot and make it easier to step in and out of your boots.

Outstanding Foothold
Enjoy consistent heel hold and a more continuous foothold no matter your instep height thanks to this boot's new 3D instep shell and 45° placement of the 2nd forefoot buckle.

Personalizable Fit
The Custom Shell makes it easy to optimally adapt these boots to the shape of your mid-foot area, so you can enjoy a better fit and more performing boots.

Article ref.
L47639800

Weight
1766g

The pair: 3532g

SHELL - Polyurethane: A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission.

SHELL - 3D instep shell: This Shell technology, with its thinner plastic and 45° positioning of the 2nd buckle ensures stronger heel lock and more consistent foothold without unnecessary instep pressure

SHELL - 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.

CUFF - Polyurethane: Material with consistent density that ensures perfect wrapping, progressivity and good power transmission.

CUFF - 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.

LINER - My CustomFit 3D Perf: Pre-shaped around the ankles for better fit and support, the My Custom Fit 3D Perf liner is heat moldable for extra comfort and precision.

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

STRAP - Velcro 35mm: A thick 35mm strap to hold the foot securely and optimize power transmission.

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

TIGHTENING - 4 riveted aluminium 3D: Choose from 3 different positions of the instep buckle for optimum in-step comfort, full customization and personalized foot hold.

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.

ADJUSTMENT - Riveted cuff aligment pivot: The adjustable cuff Pivot ensures easy boot fitting options when adjusting leg and boot alignment for maximum glide and edge control.

ADJUSTMENT - Riveted aluminium buckles: Durable buckles that allow powerful tightening.