About Ski Boot Sizing

The first thing you probably notice is ski boots have a different sizing than shoe sizing. The ski industry calls it Mondo sizing. Mondo sizing is a standard boot size between all ski boot manufactures. Mondo sizing is the length measurement in centimeters of the INSIDE of the boot. It was developed to simplify the different sizes that are throughout the world. If you take a tape measure and measure the length of your foot in centimeters, you would get your Mondo size. One thing you should know, ski boot shells come only in full sizes. An example of this is a size 27.0 and 27.5 both share the same shell size and have the same inside length. Both are the larger 27.5. Sometimes only the inner liner changes.

Read below how to get the best fit before choosing a size!

Use this ski boot size chart for reference only.

USA Kids Size USA Womens Size Mondo Size USA Mens Size Euro Size
8 14.5
9 15.5
10 16.5
11 17.5
12 18.5
13 19.5
1 20.5
2 5 21.5
3 5.5 22
4.5 6 22.5
5 6.5 23 5 37
5.5 7 23.5 5.5 37-38
7.5 24 6 38
8 24.5 6.5 38-39
8.5 25 7 39
9 25.5 7.5 40
9.5 26 8 41
10 26.5 8.5 42
10.5 27 9 43
11 27.5 9.5 44
11.5 28 10 44-45
28.5 10.5 45
29 11 45-46
29.5 11.5 46
30 12 46-47
30.5 12.5 47
31 13 47
31.5 13.5 47-48
32 14 48
33 15 49

Use the above chart for reference only.

Boot Fit

You’ve probably heard that “ski boots are the most important component of your gear.” While your boots should be comfortable, the proper size and flex keeps you in a balanced position which makes it easier to control your skis. Get the wrong size and wrong flex, and you’ll make it more difficult to control your skis. There are a few factors you need to consider before deciding which size and model to have;
  1. 1 - Your overall foot length.
  2. 2 - Your arch length.
  3. 3 - Your foot width.
  4. 4 - Your instep height.
  5. 5 - Overall shape of your foot.
  6. 6 - And your aggressiveness.

Were you aware most of us have one foot longer than the other? And did you know many times your arch length is different than your overall foot length. What about your width? Boots generally range in width from 98mm to 106mm. Do you know the width of your foot in mm? So which length and width measurement do you use? While many people take the easy way and choose a larger size, this is many times the wrong choice. A boot too big allows your foot to move around. I know what you’re thinking, “you’ll just tighten the buckles”. But that’s like buying pants too big. You can tighten the belt, but the rest of the pants still don’t fit properly! We all have our favorite jean brand that fits our body shape the best. Well you can get a great fitting ski boot by getting the right brand for your foot shape. Just ask your local boot fitter.
Find out what ability level you are.