Feel the power in the Rossignol X-IUM World Cup Classic Ski Boots. The race-proven design features our low-profile classic-specific sole for a precise feel and effective power transfer. The lightweight internal heel counter increases stability, power and response. Tech Control Wrap+ provides a locked-in feel that delivers precise control. The thermomoldable fit ensures a snug feel for the ultimate in comfort.Optimized Classic FlexOur Expert Classic Sole is tuned for improved foot roll and enhanced kick for classic skiingControl, StabilityThe Tech Control Wrap+ with neoprene cuff concept creates a connection from the lower leg straight to the heart of the boot for increased ski control and stabilityCustomizable Fit, ComfortThermoadjustable liners can be heat-molded around your feet for a customized fit and comfort