Ideal for the high school racer or the fitness skier out on their new skin skis, the Alpina Racing Classic has a great affordability yet has performance features descended from Alpina&&';;s renowned elite racing boots. Warm, dry, with a properly smooth flex to facilitate proper classic striding. The comfort is outstanding and makes the boot a good choice for the coach that spends as much time walking or standing as they do skiing. Waterproof and breathable fabric is backed with Thinsulate insulation Alpina 2C sole has a smooth forward flex and great torsional stiffness Zippered lace cover keeps warmth in and snow out Compatible with NNN, Prolink, or Turnamic bindings Alpina Size Chart EU Sizing