WAIR Size & Fit Recommendation
Size Recommendations to increase conversions & reduce returns
Developed by Fit3D, Inc. DBA WAIR
App Overview
The WAIR Size & Fit Recommendation app helps online businesses boost conversions and cut down on returns by offering precise size suggestions to shoppers. By gathering key customer details like height, weight, age, and body shape, WAIR provides tailored recommendations that reduce sizing uncertainty. This leads to happier customers and fewer exchanges or returns. Plus, the analytics dashboard allows you to monitor how well your sizing is working, giving you insights to make better decisions. Linking customer data with orders and returns also helps uncover trends and improve product offerings over time.
Screenshots

WAIR helps shoppers find their best size, increase conversion, and reduce costly size-based returns.
WAIR helps apparel brands turn size uncertainty into confident purchases. Our AI-powered size and fit recommendations help shoppers choose the right size before checkout, increasing conversion while reducing costly size-based returns. WAIR installs directly on your Shopify store and uses real shopper inputs, product fit intent, and body data intelligence to deliver personalized recommendations. Brands also gain actionable insights into shopper bodies, fit feedback, and return risk.
Key Features
- Personalized Size Recommendations - Increases Conversions
- Fit Guidance - Reduces Costly Size-Based Returns
- Shopper Body Insights - Improves Marketing, Inventory, and Sizing Strategy
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WAIR Size & Fit Recommendation FAQs
No. WAIR Size & Fit Recommendation pricing starts at $125. For more details about WAIR Size & Fit Recommendation pricing, check here.
