Le 31vsOld Navy, Size Comparison
Le 31 tends to run smaller than Old Navy. If you wear a Medium at Old Navy, you may need a Large at Le 31. For a measurement-based recommendation, use the fit checker.
Le 31 vs Old Navy sizing, quick answer
Le 31 runs about one size smaller than Old Navy. If you wear a Medium at Old Navy, you'll likely need a Large at Le 31. For an exact recommendation, build a free fit profile.
- Le 31: fits true to size
- Old Navy: runs large
- If between sizes: size up at the brand that runs smaller, or use the fit checker below for a personalised recommendation.
Brand guide
Compare how Le 31 and Old Navy usually fit, where cuts feel slimmer or roomier, and which categories are most predictable.
GENERAL BRAND GUIDANCE
This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.
The Verdict
Le 31 sizing compared to Old Navy: Le 31 fits true to size while Old Navy runs large. Here is how the sizes translate.
Le 31 tends to run smaller than Old Navy. If you wear a Medium at Old Navy, you may need a Large at Le 31. For a measurement-based recommendation, use the fit checker.
Category Match-up
Size Conversion Table
* Indicative only. For your personalised size at both brands,
Common Questions
Does Le 31 run smaller than Old Navy?
Le 31 runs about one size smaller than Old Navy. If you wear a Medium at Old Navy, you'll likely need a Large at Le 31. For an exact recommendation, build a free fit profile.
Should I size up or down at Le 31 vs Old Navy?
Size up one at Le 31 compared to Old Navy. Le 31 runs smaller, so if you wear a Medium at Old Navy, try a Large at Le 31, especially for fitted tops and tailored bottoms.
If I'm a Medium at Le 31, what size am I at Old Navy?
Since Le 31 runs smaller than Old Navy, a Medium at Le 31 is roughly equivalent to a Small at Old Navy. Use the ThisFits fit checker for a recommendation based on your measurements.
Does Le 31 or Old Navy fit differently by category?
Yes, fit varies meaningfully by category. Tops, Bottoms can each fit differently than the brand's overall tendency suggests. See the Category Match-up section below for per-category guidance.
Which brand is more accurate to its size chart, Le 31 or Old Navy?
Le 31 and Old Navy both publish official size charts, but real-world fit varies by fabric, cut and category. The ThisFits engine cross-references published charts with shopper fit reports across 197+ brands to predict your size in each.
What if I'm between sizes at Le 31 and Old Navy?
If you're between sizes, Le 31 tends to fit closer to the body, so trying the larger size first usually means fewer returns. Always confirm each retailer's return policy before ordering.