Goldwin to Gymshark size
The short answer
Goldwin 4 is Gymshark S by the two brands' own charts.
Both brands publish the body chest each size is cut for, so every row matches a chest, not a letter.
| Goldwin Japan sizing | Goldwin builds it for | Gymshark, by chart | Same label | Gymshark builds it for | Gymshark also prints |
|---|---|---|---|---|---|
| 00 | chest 29.9 to 33.1 in, waist 24.4 to 27.6 in, hip 30.7 to 33.9 in | not made | not published | not published | not published |
| 00 | chest 29.9 to 33.1 in, waist 24.4 to 27.6 in, hip 30.7 to 33.9 in | not made | not published | not published | not published |
| 1 | chest 33.1 to 36.2 in, waist 27.6 to 30.7 in, hip 33.9 to 37 in | XS | not published | chest 37 in, waist 29.5 in | not published |
| 2 | chest 34.7 to 37.8 in, waist 29.1 to 32.3 in, hip 35.4 to 38.6 in | XS | not published | chest 37 in, waist 29.5 in | not published |
| 3 | chest 36.2 to 39.4 in, waist 30.7 to 33.9 in, hip 37 to 40.2 in | XS or S | not published | chest 37 in, waist 29.5 in | not published |
| 4 | chest 37.8 to 40.9 in, waist 32.3 to 35.4 in, hip 38.6 to 41.7 in | S | not published | chest 39 in, waist 31.5 in | not published |
| 5 | chest 39.4 to 42.5 in, waist 33.9 to 37 in, hip 40.2 to 43.3 in | M | not published | chest 41 in, waist 33.5 in | not published |
| 6 | chest 40.9 to 44.1 in, waist 35.4 to 38.6 in, hip 41.7 to 44.9 in | L | not published | chest 43 in, waist 35.5 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
- Goldwin Japan sizing size guide, read on 2026-09-25.
- Gymshark size guide, read on 2026-09-18. Gymshark on TrueToSize