Shopify how-to July 20, 2026 4 min read
How to Show Fit Comparisons on Size Charts in Shopify
"Fits like Levi's 511." Reference brands. 8-15% conversion lift.
The Pattern
Above your size chart, add a one-line comparison: "Fits like a Levi's 511 in waist + thigh, slimmer in the calf." Customers who own a 511 (millions do) instantly know their size in your jeans.
Setup
App settings → Charts → edit chart → Fit Comparison. Add 1-2 reference brands + short notes per axis (waist, thigh, length). Renders as a callout above the chart.
Pick Smart References
Use category leaders your audience knows: Levi's for jeans, Lululemon for activewear, Uniqlo for basics, Champion for hoodies, Adidas Stan Smith for casual sneakers. Avoid niche brands.
FAQs
Fit comparison?
Anchor your fit to a known reference brand.
Conversion impact?
8-15% lift.
Calibrate fit, instantly
Tailor Size Guide supports fit comparisons per chart.