The ultimate shoes for riders looking for comfortable footwear that will give a boost in performance during their winter sessions. Designed with Duratherm Kelvin Gore-Tex® membrane that guarantees protection and insulation, the Extreme XC GTX® shoes also feature excellent breathability with total water and wind block. Technical fitting and maximum comfort in all weather conditions are provided by the additional lining on the tip of the shoe. Key Features Carbon XC12 sole (Stiffness index 12). Patented XFrame® upper. Duratherm Kelvin Gore-Tex® membrane. Anti-abrasion protection surrounds the shoe. New EasyFit Climaflex collar with Gore-Tex Rattler® membrane. 2 loops for easy fitting. Arctic 4Layer insole 360° visibility. 445g