MUJI to Banana Republic clothing size
The short answer
MUJI L is Banana Republic 4 by the two brands' own charts.
Both brands publish the body bust each size is cut for, so every row matches a bust, not a letter or a number.
| MUJI Japan sizing | MUJI builds it for | Banana Republic, by chart | Same label | Banana Republic builds it for | Banana Republic also prints |
|---|---|---|---|---|---|
| XS | bust 28.7 to 30.3 in, waist 22.1 to 23.6 in, hip 31.9 to 33.5 in | 000 | not published | bust 30.5 in, waist 24 in, hip 33.5 in | Letter XXS |
| S | bust 29.5 to 31.9 in, waist 22.8 to 25.2 in, hip 32.7 to 35 in | 000 | not published | bust 30.5 in, waist 24 in, hip 33.5 in | Letter XXS |
| M | bust 31.5 to 33.9 in, waist 24.8 to 27.2 in, hip 34.7 to 37 in | 0 | not published | bust 32.5 in, waist 26 in, hip 35.5 in | Letter XS |
| L | bust 33.5 to 35.8 in, waist 26.8 to 29.1 in, hip 36.6 to 39 in | 4 | not published | bust 34.5 in, waist 28 in, hip 37.5 in | Letter S |
| XL | bust 35.4 to 37.8 in, waist 28.7 to 31.1 in, hip 38.6 to 40.9 in | 8 | not published | bust 36.5 in, waist 30 in, hip 39.5 in | Letter M |
| XXL | bust 37.4 to 39.8 in, waist 30.7 to 33.1 in, hip 40.6 to 42.9 in | 12 | not published | bust 39 in, waist 32.5 in, hip 42 in | Letter L |
What wearers say
Charts describe a garment, not a fit. We do not collect fit reports for this category yet, so this table is the two brands' own claims and nothing more.
Sources
- MUJI Japan sizing size guide, read on 2026-09-25.
- Banana Republic size guide, read on 2026-09-18.