Boden to Athleta clothing size
The short answer
Boden 4 is Athleta XS 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.
| Boden | Boden builds it for | Athleta, by chart | Same label | Athleta builds it for | Athleta also prints |
|---|---|---|---|---|---|
| 2 | bust 32 to 33 in, waist 25 to 26 in, hip 34 to 35 in | XS | XS | bust 32.5 to 33.5 in, waist 25.3 to 26.3 in, hip 35 to 36 in | US 0-2 |
| 4 | bust 33.3 to 34 in, waist 26.3 to 27 in, hip 35.3 to 36 in | XS | S | bust 32.5 to 33.5 in, waist 25.3 to 26.3 in, hip 35 to 36 in | US 0-2 |
| 6 | bust 34.3 to 35 in, waist 27.3 to 28 in, hip 36.3 to 37 in | S | S | bust 34.5 to 35.5 in, waist 27.3 to 28.3 in, hip 37 to 38 in | US 4-6 |
| 8 | bust 35.5 to 37 in, waist 28.5 to 30 in, hip 37.5 to 39 in | M | M | bust 36.5 to 37.5 in, waist 29.3 to 30.3 in, hip 39 to 40 in | US 8-10 |
| 10 | bust 37.5 to 39 in, waist 30.5 to 32 in, hip 39.5 to 41 in | M or L | M | bust 36.5 to 37.5 in, waist 29.3 to 30.3 in, hip 39 to 40 in | US 8-10 |
| 12 | bust 39.5 to 41 in, waist 32.5 to 34 in, hip 41.5 to 43 in | L | L | bust 39 to 40.5 in, waist 31.8 to 33.3 in, hip 41.5 to 43 in | US 12-14 |
| 14 | bust 41.5 to 43 in, waist 34.5 to 36 in, hip 43.5 to 45 in | XL | L | bust 42 in, waist 34.3 in, hip 44.5 in | US 16-18 |
| 16 | bust 43.5 to 45 in, waist 36.5 to 38 in, hip 45.5 to 47 in | 1X | XL | bust 44.3 to 46.3 in, waist 38 to 40 in, hip 47.3 to 49.3 in | US 16W-18W |
| 18 | bust 45.5 to 47.5 in, waist 38.5 to 40.5 in, hip 47.5 to 49.5 in | 1X | XL | bust 44.3 to 46.3 in, waist 38 to 40 in, hip 47.3 to 49.3 in | US 16W-18W |
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
- Boden size guide, read on 2026-09-18.
- Athleta size guide, read on 2026-09-18. Athleta on TrueToSize