





Alpine ski boots - Men -
Advice : Use the foot sizer from SIDAS to help you find the right size
The RC4 105 MV Boa Vacuum GW is a women's ski boot from the Fischer brand, specifically designed for on-piste skiing.
Featuring a flex rating of 105 and a last width of 98 mm, it offers an excellent balance between power and comfort, ideal for advanced skiers. Its innovative closure system, the BOA® Fit System - H+i1, allows for precise and quick tightening, ensuring optimal foot wrap and even pressure distribution.
The VACUUM technology adapts the shell to the foot’s anatomy for a customised fit, improving power transmission and movement control. Its liner, the RC4 Vacuum Fit +Plus D3O®, provides effective cushioning and personalised comfort. The GripWalk® sole offers natural walking comfort and better grip on slippery surfaces. With adjustable buckles and a 45 mm velcro strap, this boot combines precision, support, and practicality for optimal performance on the slopes.

| MONDOPOINT SIZES | 22.5 | 23.5 | 24.5 | 25.5 | 26.5 | 27.5 |
| EU SIZES | 36 | 37 ⅓ | 38 ⅔ | 40 | 41 ⅓ | 42 ⅔ |
| UK SIZES | 3 ½ | 4 ½ | 5 ½ | 6 ½ | 7 ½ | 8 ½ |
| US WOMEN'S SIZES | 5 ½ | 6 ½ | 7 ½ | 8 ½ | 9 ½ | 10 ½ |
- 2 adjustable GT hooks
- 45 mm Velcro strap
- BOA® Fit System - H+i1
- Flex 105
- Shell width: 98 mm
- GripWalk® sole
| BOA® FIT SYSTEM - H+i1 | Dialed in. Locked in. The High-Power BOA® system has been specially developed for alpine ski boots. It improves the foot wrap by the shell and optimises pressure distribution. The fine adjustment allows precise tightening at any time. |
| GRIPWALK® SOLE | GripWalk® soles (ISO 23223) ensure natural walking comfort, increased safety on slippery surfaces and optimal downhill performance. |
| VACUUM | The VACUUM technology enables the shell to be adapted to the foot’s anatomy for a precise fit, direct control of movements and efficient power transmission. |
| RC4 VACUUM FIT +PLUS D3O® | The RC4 Vacuum Fit +Plus D3O® liner offers a customizable fit and additional cushioning thanks to the integration of D3O® material. |
| RD24 RIVET BLACK | The RD24 Rivet Black system contributes to cuff stability and precise power transfer. |
