The Rossignol X5 Cross Country Boot is a great value and will keep you out sliding around in comfort all day. A Thermo Adjustable Fit is heat moldable for a customized fit that will adapt to the shape of your foot. Rossignol's Active Control Concept gives you more support in your heel to prevent any slippage. The plastic ankle strap is slightly stronger and will offer additional support to a more aggressive skier. A stellar bang for your buck, the comfortable Rossignol X5 Cross Country Boots will have you excited to head out every time a fresh layer of snow falls.