




Advice : Use the foot sizer from SIDAS to help you find the right size
The X-Ium Carbon Prem Class Course is a unisex classic cross-country ski boot by Rossignol.
Very lights thanks to itscarbon frame, the X-Ium Carbon Prem Class Course boot offers optimal, efficient energy transfer. With the 100% carbon classic flex, your foot is correctly held in place to allow pushing the skis to be easy and precise.
The thermoformable lining offers great comfort during your outings, no matter the shape of your foot. In addition to this, the new PVC lace coverings keeps the feet dry whilst also benefitting from the heat emitted, which is invaluable in bad weather.
Finally, the lacing system of the X-Ium Carbon Prem Class Course boots allows for a quick and simple fastening which will save you time. This boot combines all the essential criteria to give you the precision of a champion.
Intended for experts and competitive athletes, this pair will perfectly meet your performance needs!


- Tail : Hard carbon thermo
- Lace covers: Racing PVC
- Lacing system: Speed Lace Lock
- Sole: 100% carbon integral classic frame
- Inner lining: Thermoformable shoe made of Polyester
- Bottom part : Premium PVC
- Weight per pair: 665g for size 42
Technology:
Integral Classic Carbon Frame :
One-piece thermo-hardened carbon back and sole for optimum control of the classic shoe, and increased lightness.
Thermo Adjustable Fit:
As the thermo-formable materials heat up, the volume of the boot changes. The boot adjusts to the foot. Custom-made! Comfort, precision, sensation