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Size chart & sizing guide Ion - Boots Wetsuits

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 mm4536
9.1"230 mm5637
9.4"240 mm6738
9.4"240 mm6739
9.8"250 mm7840
9.8"250 mm7841
10.2"260 mm8942
10.6"270 mm91043
10.6"270 mm91044
11.0"280 mm101145
11.0"280 mm101146
11.4"290 mm111247
11.4"290 mm111248

Notice: This brand does not use the same sizing guide for all products. Please check the sizing guide we show on each product.

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

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