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Product & Stock

What is Fit Assistant?

Fit Assistant is our handy size recommendation tool. Currently available on our website and the ASOS app, it helps you find the perfect size, first time.

Whether it's for our ASOS Brands, exclusive labels or your fashion favourites, our tool gives next-level personalisation by recommending you a size based on what similar shoppers have bought and kept.

If you're shopping on the desktop site, your recommended size will be displayed above the size dropdown:

If you're yet to fill out the information needed for Fit Assistant, it'll look like this:

If you're shopping on the app, your recommended size will be shown in the drop-down list:

You can find out more on how to add, change and update your Fit Assistant settings here