The Fischer RC One 9.0 is a men’s all-mountain ski boot built to offer a balanced mix of comfort and control for cruising groomers or venturing off piste without feeling overly stiff.
This boot comes with a 102 mm last and a high-volume shell, giving a bit more room in the forefoot for wider feet or those who prefer extra space. Its 90 flex rating provides moderate stiffness—enough to transfer your movements to the ski while remaining forgiving during long days on snow. Inside, the RC4 HV XTR liner delivers a customizable fit by using heat-moldable foam that adapts to your foot shape over time.
“Last” refers to the internal width of the boot shell measured in millimetres, so a 102 mm last means a roomier fit compared to narrower models. The flex rating (here 90) indicates how resistant the boot is to forward flex—higher numbers translate to crisper response, while this medium flex strikes a compromise between performance and ease. The RC4 HV XTR liner’s XTR foam can be heated and shaped to your foot’s exact contours, improving both comfort and support.
Click to read the product description by FischerProduct specifications
| Flex | 90 |
|---|---|
| Last | 102 mm |
| Liner | Rc4 hv xtr |
| Volume | High |
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