The Fischer RC4 Free 120 MV BOA is a high-performance freeride ski boot designed for ambitious skiers seeking power, precision, and comfort in all conditions. Featuring a medium-volume fit and 120 flex, it delivers aggressive downhill control while staying comfortable on long days. The BOA® Fit System H+i1 ensures a secure, micro-adjustable wrap, while Original Dynafit® Inserts guarantee seamless tech-binding compatibility. GripWalk® soles provide confident traction, and the Vacuum Fit +Plus liner molds to your foot for a custom, anatomical fit. With TPU shell and cuff for enhanced rebound and power transfer, SOMA-TEC® stance for reduced fatigue, and Scan-Fit® last with RD20 Race Canting, the RC4 Free 120 MV BOA blends elite freeride performance with backcountry adaptability.
Specs
Flex: 120
Last: 100mm
Shell & Liner Technology
BOA® Fit System - H+i1 Dialed in. Locked in. Confident. This high-power, high-strength BOA® system was designed for alpine boots to enhance shell wrapping and even pressure distribution. On-the-fly precision adjustments ensure a personalized, secure fit.
Original Dynafit® InsertsGuaranteed compatibility to all Tech-bindings and high wear resistance. Verified through longtime use and experience.
SOMA-TEC® The natural V-position stance aligns knees and feet for joint-friendly skiing and optimal edge control, reducing fatigue and improving precision.
Grindable Bootboard Designed for custom fitting, this bootboard includes surface dimples for precision reference points, allowing boot fitters to adjust height and angle easily.
RD20 Race Canting This next-gen canting system minimizes play between cuff and shell, maximizing power transfer and allowing detailed cuff alignment through 2- or 3-point adjustments.