Fischer RC4 Carbon Pro LV BOA Ski Boots 2025-2026

Description

The RC4 CARBON PRO LV BOA (115+) is crafted for ambitious on-piste skiers who demand the highest levels of performance and a low-volume fit. Whether you’re carving down groomed runs, aiming for the podium in local races, or pushing the limits of a fast freeride line, these boots are designed to meet and exceed your expectations. The reworked narrow last shape and a stiff 115 flex provide the pinnacle of skiing precision and control. The Alpine CARBONFUSED® Cuff delivers superior stability and responsiveness. The BOA® H+i1 Fit System ensures precise adjustment for maximum performance, wrapping perfectly around the foot to ensure a comfortable fit with optimal power transfer. Thest two factors, combined with the improved RC4 ZipFit® Innerboot that adapts to your foot shape for a customized fit, mean you’ll enjoy exceptional performance and warmth, keeping your feet comfortable and responsive in every condition.

The best of the best performance with reworked narrow last shape with a softer flex.
Unmatched foot wrapping thanks to BOA® Fit System.
Improved RC4 ZipFit® Innerboot for exceptional performance and warmth.

Specifications
Product number: U05525
Fit: Narrow
Last width: 102mm
Sole length: 326mm
Sole: GripWalk®
Boot-Binding Compatibility: GripWalk®
Skill Level: Advanced, Expert
Activity: Piste
Closure system: BOA
BOA lace length: 450mm
Strap: Power Strap 50mm + QuickFix Cam
Cuff Fixation / Canting: RD20 Race Canting
Liner: RC4 ZipFit® black

Technologies
RC4 ZipFit® Innerboot
It is a “boot” that goes inside the ski boot shell! Co-branded product focused on delivery durable, uncompromising performance with dynamic cork composite fit adjustment. Merino lined neoprene toe box ensures feet stay warm. Automatically adds at least 10 flex points of stiffness.
BOA® Fit System – H+i1
Dialed in. Locked in. Confident. This new high power and high strength BOA® system was developed specifically for use on alpine boots to promote shell wrapping and pressure distribution. Precision fit with on-the-fly tightening and loosening.
CARBONFUSED® Cuff – Alpine
Pebax® Rnew cuff reinforced with carbon fiber for increased stability and stiffer flex. The best-of-the-best for skiers who demand ultimate performance.
GripWalk® Sole
The GripWalk® soles (ISO 23223) offer end users the ultimate in natural walking comfort, safety across slippery terrain, and ski performance. Adult and Children’s norm soles are 100% compatible across all boots in the FISCHER range.
SOMA-TEC®
A natural slightly abucted (V-position) stance enables skiers to control their skis with absolute precision. Joint-friendly and effort-saving skiing is pre-programmed in the geometry of these boots.
FISCHER Scan-Fit® Last
Next generation of last built leveraging hundreds of thousands of customer foots scans obtained through the FISCHER Scan-Fit® App. Guarantees an anatomic fit that provides increase power transfer and control.
Grindable Bootboard
Grindable Bootboards were specifically engineered to allow boot fitters to easily modifiy the height and angle of the bootboard. Dimples on the surface of the bootboard provide a reference point so that bootfiters can control and standarize their handiwork
TPU Cuff & Shell
Thermoshape polyurethane (TPU) material is the benchmark and industry standard for top race products, as it offers superior ski boot suspension compared to polyamid or polypropylene mixtures. TPU makes for a phenomenal ski experience due to the rebound and energy transfer characteristics. ZoneFit and Vacuum moldable at 120° C.
RD20 Race Canting
The lastest generation of race canting is designed to reduce the tolerance between cuff and shell of the boot, allowing for maximum power transfer and overall control. Available in 2 and 3 point asymmetrical versions to enable cuff alignment tuning. Please see Spare Part item: U78321 / U78322
RC4 POWER ELASTIC 50mm + QUICKFIX CAM
50mm wide power strap built with multiple layers of elastic to provide a powerful and secure closure across cuff and liner tongue. Maximizes pressure distribution and power transfer of energy through the boot down to the ski. Paired with a QuickFix Cam mechanism to allow strap to be easily opened and closed, without needing to thread end of strap through the Cam each time