Under Armour to Goldwin clothing size
The short answer
Under Armour XXS is Goldwin 1 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.
| Under Armour | Under Armour builds it for | Goldwin Japan sizing, by chart | Same label | Goldwin builds it for | Goldwin also prints |
|---|---|---|---|---|---|
| XXS | bust 31 to 32.5 in, waist 24.5 to 25.5 in | 1 | not published | bust 30.3 to 32.7 in, waist 22.8 to 25.2 in, hip 32.7 to 35 in | not published |
| XS | bust 32.5 to 33.5 in, waist 25.5 to 27 in | 2 | not published | bust 31.5 to 33.9 in, waist 24 to 26.4 in, hip 34.3 to 36.6 in | not published |
| SM | bust 33.5 to 36 in, waist 27 to 29 in | 4 | not published | bust 33.9 to 36.2 in, waist 26.4 to 28.7 in, hip 37.4 to 39.8 in | not published |
| MD | bust 36 to 38 in, waist 29 to 31 in | 5 | not published | bust 35 to 37.4 in, waist 27.6 to 29.9 in, hip 39 to 41.3 in | not published |
| LG | bust 38 to 41 in, waist 31 to 34 in | not made | not published | not published | not published |
| XL | bust 41 to 44 in, waist 34 to 37 in | not made | not published | not published | not published |
| XXL | bust 44 to 47 in, waist 37 to 40 in | not made | not published | not published | not published |
| 3XL | bust 47 to 50 in, waist 40 to 43 in | not made | not published | not published | 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
- Under Armour size guide, read on 2026-09-18. Under Armour on TrueToSize
- Goldwin Japan sizing size guide, read on 2026-09-25.