Fischer RC4 Pro MV DYN BOA Alpine Touring Ski Boots 2025- Backcountry Skiing|Ski Boots

   Last: 100mm–        A medium volume fit for most average feet

   FISCHER Scan-Fit® Last–        Next generation of last built leveraging hundreds of thousands of customer foot scans obtained through the FISCHER Scan-Fit® App. Guarantees an anatomic fit that provides increase power transfer and control.

   Flex: 140–        A very stiff flex for advanced to expert level skiers

   Adjustable RC4 ZipFit® Innerboot–        It is a “boot” that goes inside the ski boot shell! Co-branded product focused on 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.

   Carbon Infused Cuff–        Pebax® Rnew cuff reinforced with carbon fiber for increased stability and stiffer flex. The best-of-the-best for skiers who demand ultimate performance.

   Thermoplastic Urethane Cuff and 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.

   Adjustable Forward Lean

   BOA® H+i1 Fit System–        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. Releasable cartridge and bayonet system prevents breakages through impact.

   Phatt Maxx Strap–        50mm wide power strap enhances power transfer and pressure distribution across cuff and liner tongue. Simple cam strap allows strap to be locked down tight but also easily adjusted.

   Grindable Bootboard–        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.

   ISO 23223 GripWalk® Sole–        GripWalk® soles (ISO 23223) offer end users the ultimate in natural walking comfort, safety across slippery terrain, and ski performance. This is achieved through pronounced rounded shape and convex rib profile built with co-polymer rubber material.

   Tech Toe Fittings