Atomic Women's Hawx Ultra 115 S Women's BOA 25/26
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Built for women who push their skiing to the limit, the Atomic Hawx Ultra 115 S BOA® W is the stiffest model in the Hawx Ultra lineup. Its low-volume 98 mm fit, reinforced lightweight shell, and responsive flex deliver race-inspired power without unnecessary bulk. The BOA® Fit System wraps the forefoot evenly for a locked-in feel, while the Mimic Platinum liner and Memory Fit shell can be molded to mirror the unique shape of your foot. With an adjustable forward lean, calf-friendly cuff options, and a stretch toe box, this boot balances aggressive performance with tailored comfort.
Features
Shell & Construction
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Prolite Design – Minimalist build reinforced in high-stress zones for a strong yet featherlight feel.
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Polyurethane Shell & Cuff – Durable materials provide consistent flex and energy transmission.
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Memory Fit Customization – Heat-molding technology reshapes the shell and cuff to match your anatomy.
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Power Shift System – Adjust forward lean (13°, 15°, 17°) and flex for personalized stance and response.
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98 mm Narrow Last – Precision-oriented fit ideal for advanced skiers seeking control.
Fit & Liner
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Mimic Platinum Liner – Heat-reactive foam layers mold around heel, ankle, and tongue for a glove-like fit.
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Power Ankle Lock – Reinforced liner zones keep the heel firmly in place through every turn.
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3D Stretch Toe Box – Expands for added toe length without compromising hold.
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Adaptive Fit Cuff – Removable insert provides extra calf room when needed.
Closure & Adjustment
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BOA® H+i1 Dial – Micro-adjustable tightening system that evenly wraps the forefoot for comfort and control.
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Bi-Directional Tuning – Smooth adjustments in both directions for precise fit on the fly.
Performance & Compatibility
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Flex Rating 115 – A stiff flex that delivers maximum responsiveness for aggressive skiing.
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Terrain Versatility – Designed for on-piste precision with the stability to roam all-mountain.
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GripWalk & MN Sole Compatibility – Comes premounted with GripWalk soles for better traction off the skis.
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Weight – 1,840 g per boot (size 26–26.5).
Ski boots are sized in Mondopoint, based on the length of your foot in centimeters. The chart below is a general reference for converting between sizing systems.
This chart is not a fitting. The only way to know your ski boot size is to be fit in person, either with a Boot Fitting at our shop or from a professional fitting you have had elsewhere. Sizing, shape, and volume vary by brand and model, and a performance fit is snugger than your street shoe. Unworn boots can be returned under our return policy, but a boot that doesn't fit can be a big hassle for your trip if you haven't tried it on.
Size Chart
| Mondo (cm) | US Men's | US Women's | EU |
|---|---|---|---|
| 22/22.5 | 4/4.5 | 5/5.5 | 35 |
| 23/23.5 | 5/5.5 | 6/6.5 | 36/37 |
| 24/24.5 | 6/6.5 | 7/7.5 | 38 |
| 25/25.5 | 7/7.5 | 8/8.5 | 39/40 |
| 26/26.5 | 8/8.5 | 9/9.5 | 41 |
| 27/27.5 | 9/9.5 | 10/10.5 | 42/43 |
| 28/28.5 | 10/10.5 | 11/11.5 | 44 |
| 29/29.5 | 11/11.5 | – | 45/46 |
| 30/30.5 | 12/12.5 | – | 47 |
| 31/31.5 | 13/13.5 | – | 48/49 |
| 32/32.5 | 14/14.5 | – | 50 |
Conversions are approximate and can differ by half a size between brands.
Half Sizes
Ski boots are built with one shell for each full and half size, so a 27 and a 27.5 are the same boot with a different liner or footboard. That is why sizes are listed together, like 27/27.5.
Very few models differ from this. Scarpa is the main exception, pairing sizes the other way (for example, 26.5/27 share a shell). When a model is sized differently, we call it out on that product's page.
Book a boot fitting on our Boot Rescue page. Preliminary boot work is included with every boot purchase.
