Size chart & sizing guide O'Neill - Boots Wetsuits

Measure your foot length (Mondopoint) to find the corresponding size. Important: Add 2-3 mm to your measured foot length before checking the official size conversion chart below to ensure a proper fit.

Conversion chart - Find your size

Foot length
(Mondopoint)
EU sizeUKUK KidsUS MenUS Kids
170 mm267C7C7Y7Y
175 mm278C8C8Y8Y
180 mm289C9C9Y9Y
185 mm2910C10C10Y10Y
190 mm3011C11C11Y11Y
200 mm3112C12C12Y12Y
205 mm3213C13C13C13C
210 mm331111
215 mm342222
220 mm353333

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 millimeters (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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