DESCENTE to Gap size
The short answer
DESCENTE S is Gap XS by the two brands' own charts. 6 of 6 DESCENTE sizes land on a different label at Gap.
Both brands publish the body chest each size is cut for, so every row matches a chest, not a letter.
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 | Gap, by chart | Same label | Gap builds it for | Gap also prints |
|---|---|---|---|---|---|
| S | chest 33.5 to 35.8 in, waist 28 to 30.3 in | XS | S | chest 35 to 36 in, neck 13.5 to 14 in, sleeve 31 to 32 in | not published |
| M | chest 35 to 37.4 in, waist 29.5 to 31.9 in | XS | M | chest 35 to 36 in, neck 13.5 to 14 in, sleeve 31 to 32 in | not published |
| L | chest 36.6 to 39 in, waist 31.1 to 33.5 in | S | L | chest 37 to 38 in, neck 14 to 14.5 in, sleeve 32 to 33 in | not published |
| O | chest 38.2 to 40.6 in, waist 32.7 to 35 in | M | not published | chest 39 to 41 in, neck 15 to 15.5 in, sleeve 33 to 34 in | not published |
| XO | chest 39.8 to 42.1 in, waist 34.3 to 36.6 in | M | not published | chest 39 to 41 in, neck 15 to 15.5 in, sleeve 33 to 34 in | not published |
| 2XO(XA) | chest 41.3 to 43.7 in, waist 35.8 to 38.2 in | L | not published | chest 42 to 44 in, neck 16 to 16.5 in, sleeve 34 to 35 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
- DESCENTE Japan sizing size guide, read on 2026-09-25.
- Gap size guide, read on 2026-09-18. Gap on TrueToSize