Details Feel the power in the Rossignol X-ium World Cup Classic ski boot. The race-proven design features Rossignol's low-profile classic-specific sole for a precise feel and effective power transfer. The lightweight internal heel counter increases stability, power and response. The boot's locked-in feel and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control. Skiing Style Classic Sole Type Expert Classic Sole: Optimizes the gliding phase through sole flexibility and improved foot roll for enhanced propulsion. Flex Optimized Classic Flex Rossignol Expert Classic Sole is tuned for improved foot roll and enhanced kick for classic skiing Last N/A Liner Polyester Thermo Adjustable Fit: Can be heat-molded around your feet, providing an adaptable , customized fit for increased comfort and precision. Closure Laces Cuff N/A Upper PVC Racing Lace Cover Footbed N/A Details Internal 3D plastic reinforcement Weight 800g / pair (Size 42) Rossignol X-IUM W.C. Classic Boot 2021-22