MUJI to Whistles clothing size
The short answer
MUJI L is Whistles 10 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 | Whistles, by chart | Same label | Whistles builds it for | Whistles also prints |
|---|---|---|---|---|---|
| XS | bust 28.7 to 30.3 in, waist 22.1 to 23.6 in, hip 31.9 to 33.5 in | 04 | not published | bust 30 in, waist 23.5 in, hip 34.5 in | not published |
| S | bust 29.5 to 31.9 in, waist 22.8 to 25.2 in, hip 32.7 to 35 in | 06 | not published | bust 31 in, waist 24.5 in, hip 35.5 in | not published |
| M | bust 31.5 to 33.9 in, waist 24.8 to 27.2 in, hip 34.7 to 37 in | 08 | not published | bust 32 in, waist 25.5 in, hip 36.5 in | not published |
| L | bust 33.5 to 35.8 in, waist 26.8 to 29.1 in, hip 36.6 to 39 in | 10 | not published | bust 34 in, waist 27.5 in, hip 38.5 in | not published |
| XL | bust 35.4 to 37.8 in, waist 28.7 to 31.1 in, hip 38.6 to 40.9 in | 12 | not published | bust 36 in, waist 29.5 in, hip 40.5 in | not published |
| XXL | bust 37.4 to 39.8 in, waist 30.7 to 33.1 in, hip 40.6 to 42.9 in | 14 | not published | bust 38 in, waist 31.5 in, hip 42.5 in | not published |
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.
- Whistles size guide, read on 2026-09-18.