The RC4 120 LV BOA is the ultimate ski boot for ambitious skiers who demand the highest levels of performance with a solid 110 flex and low-volume fit. Whether you're carving precise turns, entering recreational races, or pushing the boundaries with big freeride lines, these boots are engineered to elevate your skiing experience. The reworked narrow last and versatile 120 flex delivers precision and control during every descent. The BOA® Fit System ensures a secure and comfortable fit for optimal power transfer. Additionally, the Scan-Fit® Lasts - developed with the help of thousands of foot scans - help maximize comfort and enjoyment throughout the ski season. The BOA® H+i1 Fit System provides precise adjustments for an ideal out-of-the-box fit, the VACUUM fit technology ensures the shells can be perfectly customized to your foot shape. The GripWalk® Sole enhances walking comfort and traction when you're off the skis.