S/Pro Supra 100 Ski Boots 2027
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Size chart
Men's Sizes:
| Mondo | US | UK | JP | FR | DE |
|---|---|---|---|---|---|
| 24.5 | 6.5 | 6 | 24.5 | 39.23 | 6 |
| 25.0 | 7 | 6.5 | 25.0 | 40.13 | 6.5 |
| 26.0 | 8 | 7.5 | 26.0 | 41 | 7.5 |
| 26.5 | 8.5 | 8 | 26.5 | 42 | 8 |
| 27.0 | 9 | 8.5 | 27.0 | 42.23 | 8.5 |
| 27.5 | 9.5 | 9 | 27.5 | 43.13 | 9 |
| 28.0 | 10 | 9.5 | 28.0 | 44 | 9.5 |
| 28.5 | 10.5 | 10 | 28.5 | 45 | 10 |
| 29.5 | 11.5 | 11 | 29.5 | 45.23 | 11 |
| 30.0 | 12 | 11.5 | 30.0 | 46.13 | 11.5 |
Women's Sizes:
| Mondo | US | UK | JP | FR | DE |
|---|---|---|---|---|---|
| 21.5 | 4 | 2.5 | 21.5 | 35 | 3.5 |
| 22.5 | 5.5 | 4 | 22.5 | 36.23 | 4 |
| 23.0 | 6 | 4.5 | 23.0 | 37.13 | 4.5 |
| 23.5 | 6.5 | 5 | 23.5 | 38 | 5 |
| 24.0 | 7 | 5.5 | 24.0 | 39 | 5.5 |
| 24.5 | 7.5 | 6 | 24.5 | 39.23 | 6 |
| 25.0 | 8 | 6.5 | 25.0 | 40.13 | 6.5 |
| 26.0 | 9 | 7.5 | 26.0 | 41 | 7.5 |
| 26.5 | 9.5 | 8 | 26.5 | 42 | 8 |
| 27.0 | 10 | 8.5 | 27.0 | 42.23 | 8.5 |
| 27.5 | 10.5 | 9 | 27.5 | 43.13 | 9 |
Youth Sizes:
| Mondo | US |
|---|---|
| 18 | K11 |
| 19 | K12 |
| 20 | K13 |
| 21 | 2 |
Quick Specs
| Flex Index | 100 |
| Forefoot Width | 100mm |
| BOA® | No |
| Liner | S/pro CF |
| Boot Sole | GripWalk / ISO 5355 (premounted) |
| Weight (1 boot) | 1905g |
Product Description
The S/Pro Supra 100 is the accessible entry point into Salomon's control-focused Supra family, built for skiers who demand reliable foothold and efficient power transfer across a wide range of foot shapes. Its polyurethane shell uses 3D instep geometry to relieve pressure where it matters most, while a moldable Custom Fit 4D liner wraps the foot with precision from the first run. Four aluminum buckles lock everything down with no-compromise closure for confident, all-mountain performance.
Product Details
| Fit Profile | Medium-wide (100mm last); 3D instep shell geometry reduces instep pressure for a more comfortable, precise fit across varied foot shapes |
| Flex | 100 (medium) |
| Shell | Polyurethane; upper cuff also polyurethane |
| Liner | S/pro CF |
| Footbed | Light² Footbed |
| Tightening System | 4 Riveted Aluminium 3D Buckles |
| Power Strap | Riveted Velcro 35mm |
| Cuff Adjustment | Riveted Cuff Alignment Pivot: fixed-position pivot for cuff angle adjustment |
| Boot Sole | GripWalk Premounted ISO 5355: standard alpine sole norm (ISO 5355) with GripWalk compatibility premounted for enhanced walking comfort |
| Sizes (Mondo) | 24.0 – 31.5 |
| Weight | 1905g (1 boot) |
S/Pro Supra 100 Ski Boots 2027 FAQ
I have wide feet — will the S/Pro Supra 100 fit me?
The S/Pro Supra 100 has a 100mm last, which puts it in the medium-wide category. It's not the widest Salomon alpine boot (that's the Delta at 102mm), but it gives more room across the forefoot than the Alpha at 98mm. If your foot runs genuinely wide, the Delta S BOA 120 at 102mm may suit you better.
What flex index is 100, and what kind of skier is it for?
A flex of 100 sits in the mid-range on the S/PRO scale. The S/Pro Supra 100 is positioned below the 120 models and targets intermediate to advancing skiers who want solid power transmission without the stiffness of a 120. It's the entry-level model in the SUPRA family, built for a wide range of foot shapes and skiing styles.
Can the liner be heat-molded for a custom fit?
The S/Pro Supra 100 comes with a Custom Fit 4D liner made with latex foam, which can be heat-molded at a boot-fitting shop to match your foot shape. This is a real fit advantage over basic liners, especially if you have irregular pressure points or a specific foot shape.
Will these work with my current bindings?
The S/Pro Supra 100 ships with GripWalk soles premounted (ISO 23223 norm), compatible with GripWalk-certified bindings. The sole is also ISO 5355 alpine norm compatible. If your bindings are older alpine-only models without GripWalk certification, check compatibility with your shop before mounting.
How heavy are these boots?
One boot weighs 1905 g at reference size. That's a typical weight for a full-featured alpine ski boot at this flex level. It's not a touring or ultralight boot, so expect standard alpine heft rather than a featherweight feel.
Is there a walk mode, or will I be miserable walking to the lift?
The S/Pro Supra 100 does not list a walk mode in the catalogue. It's designed as a pure alpine ski boot with 4 riveted aluminum buckles and a fixed cuff, so it's not intended for extended walking or hiking approaches.
What sizes does this boot come in?
The S/Pro Supra 100 is available from 24.0 to 31.5 Mondopoint, which covers roughly EU 38 to 50. Mondopoint = your foot length in centimeters, measured standing. If you're unsure, a shell-fit at the shop is the most reliable method before buying online.