The K2 BFC 120 BOA ski boot is a high-performance option designed for advanced skiers who demand both power and comfort.The K2 BFC 120 BOA ski boot is a top-tier choice for advanced skiers who need a boot that combines powerful performance with superior comfort features. Its high flex index, Boa® Fit System, and other advanced features make it an outstanding option for those who demand the best in both function and fit on the slopes.