Smarter Size Recommendations. Confident Shoppers.
Reduce returns, boost conversion, and increase revenue per session with AI-powered size recommendations.

Trusted by leading apparel brands







Why traditional size charts don’t work
Shoppers often don’t know which size to buy → abandoned
carts (up to 35% of sessions).
Shoppers buy multiple sizes or return items → lower revenue
and profitability.
Over 50% of returns are due to size and fit issues.

Smarter features that drive smarter shopping
Product, Order & Returns Sync
Always up-to-date with your catalog and shopper activity through seamless Shopify and other platform integrations.
Customizable Call to Action
Flexible messaging and design that fit your brand voice, ensuring WAIR feels native to your store.
Size Recommendations Anywhere
Display guidance in the WAIR widget, inline on PDPs, or across the shopper journey.
Auto Size Selection
Automatically pre-selects the recommended size in the cart, reducing friction and abandoned carts.
Universal Placement
Lightweight JavaScript integration can be placed anywhere on your site to get more shoppers into the WAIR experience.
WAIR Data
Get insights on shopper measurements, locations, behavior, and returns see WAIR Data page for details.
Why other size tools don't work
Shoppers don't know their exact measurements
Size charts assume all bodies follow the same shape pattern
Size charts never update or learn
Size charts provide no fit confidence
Other size recommendation tools are not accurate


How WAIR gives shoppers confidence

STEP 01
Body prediction AI
Built on 5M+ 3D scans across 80 countries, predicts shopper body dimensions from simple inputs.
Built from global 3D body data
Learns from diverse shopper profiles
Predicts accurate body measurements instantly
Adapts to regional fit variations
STEP 02
Fit recommendation AI
Combines shopper intent, past purchases, predicted body shape, and context to deliver accurate size suggestions.
Learns from buyer fit reviews
Leverages product info
Uses geo and UTM signals
Integrates return and exchange data
STEP 03
Continuous learning platform
Integrates with reviews, returns, and marketing systems to keep AI recommendations adaptive and accurate.
Automatically updates recommendations
Monitors performance across entire catalog
Continuously refines / validates based on feedback
Learns from every shopper interaction
STEP 04
Actionable data for your business
Converts shopper activity into insights for merchandising, inventory, and product design decisions.
Grounds shopping behavior with shopper body metrics
Identify product-level fit challenges
Enables inventory planning and size curve improvement
Understands shopper body shapes per marketing strategy
Proven impact for apparel brands

New shoppers convert 29% more with WAIR. Better fit guidance leads to higher first-time purchases.

WAIR boosts shopper confidence at checkout. Shoppers are 12.5% more likely to convert.

.avif)
Sessions become significantly more valuable. Revenue per session increases by 28%.
.avif)

Returns drop by 19.4% with improved sizing accuracy. New shopper conversions also increase by 18%.
.avif)
.avif)
.avif)
Shoppers engage more and convert better. Revenue per session rises 3.12% with a 3.48% lift in conversion.
.avif)
.avif)
Ready to Reduce Returns and Increase Conversion?
Discover how WAIR helps brands turn uncertain shoppers into confident buyers.

Take your insights further with WAIR data
Access shopper body measurements, geo-location, purchase patterns, and returns insights to optimize merchandising, inventory, and product design.


