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Size chart & sizing guide Sidas - Insoles Ski Boots / Insoles

Measure your foot length (Mondopoint) to find the corresponding size. We always recommend to use the official size conversion chart below.

Feedback from our customers:

  • choose the same size as your usual shoe size
  • suitable for feet with a regular width

Conversion chart - Find your size

Foot lengthMondopointUKUS MenEU size
8.7"220 mm2335
9.1"230 mm3436
9.3"235 mm4537
9.6"245 mm5638
9.8"250 mm6739
10.4"265 mm7841
10.6"270 mm8942
11.0"280 mm91043
11.2"285 mm101144
11.6"295 mm111245
11.4"290 mm121346
12.2"310 mm131448

How to Measure

Follow the instructions below and compare your measurements with the size chart

Foot length

Place your foot against a wall and measure the distance from the wall to the tip of your toes.

Manufacturers do not always use the same sizes for shoes. Therefore, we recommend using the foot length to find the correct size. The international standard for foot length is known as Mondopoint and indicates the size of the foot in millimetres (mm).

How to measure your foot length

Tip! Use a soft measuring tape, to ensure that the product fits properly. Alternatively, use a piece of string and then measure it against a ruler

This size guide only applies to

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