FIT FINDER

Interactive apparel size advisor

Interactive Apparel
Size Advisor

Fit Finder is the leading AI size advisor for apparel retailers worldwide. 

Our advanced machine learning algorithms deliver personalized size recommendations, enabling shoppers to buy with confidence knowing their new clothes and shoes will be the right fit every time.

Our advanced machine learning algorithms deliver personalized size recommendations, enabling shoppers to buy with confidence knowing their new clothes and shoes will be the right fit every time.

women trying on clothes

4-6%

Fit Finder average
conversion rate increase

2-4%

Fit Finder average
return rate decrease

30%

Fit Finder share of 
purchases, top 15 shops

Fit Finder share of  purchases, top 15 shops

Who Fit Finder helps

Along with providing a deeply personalized experience for shoppers, Fit Finder helps retailers reach a diverse array of key business goals.

Along with providing a deeply personalized experience for shoppers, Fit Finder helps retailers reach a diverse array of key business goals.

Fit Finder benefits for retailers

Fit Finder addresses checkout friction by eliminating size uncertainty.

Fit Finder addresses checkout friction by eliminating size uncertainty.


Reduces returns and increases conversions

Raises average order value

Integrates to any device/platform

Dispenses invaluable size and body-related data for product development

Fit Finder benefits for shoppers

Fit Finder is an e-commerce must-have for a truly personalized, relevant shopping experience.

Offers personalization unique to individuals

Increases shopper confidence

Wins user trust by only asking relevant questions

Shoppers don’t have to make an account to use Fit Finder

Shoppers don’t have to make an account

How Fit Finder works

Fit Finder sizing solution gives shoppers an unmatched shopping experience.

Fit Finder asks the shopper's size and fit preference questions

Fit Finder compares the shopper’s information to other similar shoppers through advanced machine learning algorithms.

The shopper gets a size and fit recommendation tailored to their real body shape and fit preferences

Upon receipt, the shopper is happy with the new item in the right size that actually fits and is likely keep the item with no need for returns

"Fit Finder has helped us foster trusting relationships with our customers by delivering the right gear to shoppers embarking on their dream adventures. Fit Analytics is a key partner in our e-commerce strategy and we have continued to see a positive impact over our years working together."

Mammut head of digital marketing
Mammut head of digital marketing

Martijn Jegerings

Head of Digital Marketing

Mammut

Product detail page showing a 'runs small' Fit Cue next to the size selector

Fit Finder includes at-a-glance Fit Cues

Fit Finder includes at-a-glance Fit Cues

On eligible products, shoppers get a size hint before they even ask.

Frequently Asked Questions

What results do retailers see with Fit Finder?

Retailers using Fit Finder see an average 4-6% increase in conversion rate and 2-4% reduction in returns rate.

Do shoppers need to enter measurements or create an account?

No. Fit Finder gives personalised fit guidance with minimal input and no account, and stays visible to shoppers who decline non-essential cookies.

How does Fit Finder handle hard-to-size or unusual items?

Fit Analytics is built to get the difficult cases right: items that run large or small, use non-standard sizing, or span multiple size scales. Because recommendations are learned from real purchase outcomes, the model captures how a product fits even where size charts are unreliable.

What product types and size systems does Fit Analytics support?

Fit Analytics supports most apparel and footwear categories, across the major regional size systems (EU, UK, US, and more) and 49 languages.

See how Fit Analytics can help your shoppers find products they’ll love to keep.

Let’s Talk

© 2026 Fit Analytics

See how Fit Analytics can help your shoppers find products they’ll love to keep.

Let’s Talk

© 2026 Fit Analytics

See how Fit Analytics can help your shoppers find products they’ll love to keep.

Let’s Talk

© 2026 Fit Analytics

See how Fit Analytics can help your shoppers find products they’ll love to keep.

Let’s Talk

© 2026 Fit Analytics