The X-1 from Rossignol is designed to be a cross country ski boot for the guy who seldom goes out or the beginner skier. The X-1 has a Thermo Adjustable Fit that means that the boot can be heated to accelerate the breaking in process or fine tune the fit. If you want a boot that fits a NNN Binding System that will be stable and easy to use the X-1 will be a great choice. [+]