2025 HEAD Raptor WCR 90 JR Ski Boot
24753A
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Selecting the correct ski boot is one of the most important equipment decisions a racer can make. A properly fitted race boot improves control, edge engagement, power transfer, and comfort while helping athletes develop strong technical skills. This guide explains how to determine both the correct boot flex and Mondopoint size for alpine ski racing.
Determining Ski Boot Flex
Ski boot flex refers to how much resistance a boot provides when the skier flexes forward. In general, heavier and more aggressive racers require stiffer boots, while lighter or less experienced athletes benefit from a softer flex that is easier to bend and control.
A useful starting point is to compare racer weight to the recommended flex range below. Most racers perform best when their body weight is approximately 10–30 pounds higher than the flex rating of the boot. Skill level, strength, terrain, discipline, and personal preference can all influence the ideal choice.
Ski Boot Flex Recommendations
| Racer Weight (lbs) | Racer Weight (kg) | Recommended Flex |
|---|---|---|
| 50–80 | 23–36 | 65 |
| 80–100 | 36–45 | 70 |
| 100–120 | 45–54 | 90 |
| 120–150 | 54–68 | 110 |
| 130–160 | 60–73 | 120 |
| 150+ | 68+ | 130–140 |
Determining Your Ski Boot Size
Ski boots use the Mondopoint (MP) sizing system, which measures foot length in centimeters. Unlike street shoe sizes, Mondopoint sizing provides a more precise measurement for ski boot fitting.
For the most accurate measurement, stand with your heel against a wall and measure from the wall to the tip of your longest toe in centimeters. The resulting measurement is your approximate Mondopoint size.
Because race boots are designed for maximum precision and responsiveness, many racers choose a close-performance fit. Actual fit can vary slightly between brands and models, so we recommend trying on a similar boot whenever possible.
Mondopoint Ski Boot Size Chart
| Mondopoint (cm) | Europe | Men's US | Women's US | Kids' US |
|---|---|---|---|---|
| 18.0 | 28.5 | — | — | 11.5 |
| 18.5 | 29 | — | — | 12 |
| 19.0 | 30 | — | — | 12.5 |
| 19.5 | 30.5 | 1 | — | 13 |
| 20.0 | 31 | 1.5 | — | 13.5 |
| 20.5 | 32 | 2 | — | 1 |
| 21.0 | 33 | 2.5 | — | 2 |
| 21.5 | 34 | 3 | — | 3 |
| 22.0 | 35 | 4 | 5 | 4 |
| 22.5 | 36 | 4.5 | 5.5 | — |
| 23.0 | 36.5 | 5 | 6 | — |
| 23.5 | 37 | 5.5 | 6.5 | — |
| 24.0 | 38 | 6 | 7 | — |
| 24.5 | 38.5 | 6.5 | 7.5 | — |
| 25.0 | 39 | 7 | 8 | — |
| 25.5 | 40 | 7.5 | 8.5 | — |
| 26.0 | 40.5 | 8 | 9 | — |
| 26.5 | 41 | 8.5 | 9.5 | — |
| 27.0 | 42 | 9 | 10 | — |
| 27.5 | 42.5 | 9.5 | 10.5 | — |
| 28.0 | 43 | 10 | 11 | — |
| 28.5 | 44 | 10.5 | 11.5 | — |
| 29.0 | 44.5 | 11 | — | — |
| 29.5 | 45 | 11.5 | — | — |
Race Place Fit Notes
- Junior racers often benefit more from a properly fitting boot than a stiffer boot.
- A race boot should fit snugly without causing pain or restricting circulation.
- Performance-oriented race fits typically feel tighter than recreational ski boots.
- Boot flex ratings are not standardized and can vary between manufacturers.
- Professional boot fitting can significantly improve comfort, performance, and long-term development.
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