How does this calculator work?

This calculator has two functions:

It tells you for which type of foot (wide, medium, or narrow) this shoe last is designed.

It compares your foot measurements with this product's size guide and recommends the size that fits best.

To do this, we aim to ensure the shoe leaves you a margin of extra space: unless the product's size guide indicates a different margin, we use a default of between 0.8 and 1.2 cm in length and between 0.2 and 0.6 cm in width. This space is necessary for your foot to be able to move and work freely, especially in the case of children.

This calculator is for guidance only: it does not replace trying on the footwear. Factors such as the volume or shape of your foot can mean that a shoe might not fit you well even if the measurements match on paper.

We are happy to offer you this tool to help you get the right size — but it is not a guarantee that the footwear will fit you well, nor does it imply free returns or exchanges if it ultimately is not your size.