Train or race. The X8 Skate ski boot is designed for fitness-oriented skiers and junior racers. It features a race-inspired build that shares technology with our athlete-proven X-ium series for increased precision and power transfer. The skate-specific, low-profile sole delivers a natural foot roll for efficient skating, while the locked-in feel and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control.