DESCENTE to Reformation clothing size
The short answer
DESCENTE S is Reformation XS by the two brands' own charts. 6 of 6 DESCENTE sizes land on a different label at Reformation.
Both brands publish the body bust each size is cut for, so every row matches a bust, not a letter or a number.
On 2 sizes the charts land two or more sizes from the same label. Brands do not measure the body the same way, so on those rows treat the chart answer and the same label as the two ends of a range.
| DESCENTE Japan sizing | DESCENTE builds it for | Reformation, by chart | Same label | Reformation builds it for | Reformation also prints |
|---|---|---|---|---|---|
| S | bust 30.7 to 32.3 in, waist 23.2 to 24.8 in | XS | S | bust 33 in, waist 25 in, hip 36 in | US 0 |
| M | bust 31.9 to 33.5 in, waist 24.4 to 26 in | XS | M | bust 33 in, waist 25 in, hip 36 in | US 0 |
| L | bust 33.1 to 34.7 in, waist 25.6 to 27.2 in | XS or S | L | bust 33 in, waist 25 in, hip 36 in | US 0 |
| O | bust 34.3 to 35.8 in, waist 26.8 to 28.4 in | S | not published | bust 35 in, waist 27 in, hip 38 in | US 2/4 |
| XO | bust 35.4 to 37 in, waist 28 to 29.5 in | M or S | not published | bust 37 in, waist 29 in, hip 40 in | US 6/8 |
| 2XO(XA) | bust 36.6 to 38.2 in, waist 29.1 to 30.7 in | M | not published | bust 37 in, waist 29 in, hip 40 in | US 6/8 |
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
- DESCENTE Japan sizing size guide, read on 2026-09-25.
- Reformation size guide, read on 2026-09-18. Reformation on TrueToSize