Ski boots use a unique sizing system called , which is simply the length of your foot in centimeters.

: Standard liners often lack arch support. A custom footbed can transform a painful boot into one you can wear for eight hours straight.

: Extremely stiff for maximum energy transfer; typically less comfortable for all-day casual skiing. 3. Finding the Right Fit (Mondo Print & Last)

: A new boot should feel tight but not painful. The liner will "pack out" and become roomier after 3–5 days of skiing.

: Extremely stiff and narrow, built for maximum power transfer on hardpack at high speeds.