Lululemon to Boden clothing size
The short answer
lululemon XS is Boden 2 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.
| lululemon | lululemon builds it for | Boden, by chart | Same label | Boden builds it for | Boden also prints |
|---|---|---|---|---|---|
| XXXS | bust 28.5 in | not made | not published | not published | not published |
| XXS | bust 30 in | not made | 2 | not published | not published |
| XS | bust 31 to 32 in | 2 | 4 | bust 32 to 33 in, waist 25 to 26 in, hip 34 to 35 in | Letter XS |
| S | bust 33 to 34 in | 4 | 6 | bust 33.3 to 34 in, waist 26.3 to 27 in, hip 35.3 to 36 in | Letter S |
| M | bust 35 to 36 in | 8 | 8 | bust 35.5 to 37 in, waist 28.5 to 30 in, hip 37.5 to 39 in | Letter M |
| L | bust 37 to 38.5 in | 10 | 10 | bust 37.5 to 39 in, waist 30.5 to 32 in, hip 39.5 to 41 in | Letter M |
| XL | bust 40 to 42 in | 12 | not published | bust 39.5 to 41 in, waist 32.5 to 34 in, hip 41.5 to 43 in | Letter L |
| 1X | bust 45 to 47 in | 18 | not published | bust 45.5 to 47.5 in, waist 38.5 to 40.5 in, hip 47.5 to 49.5 in | Letter XL |
| 2X | bust 49 to 51 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
- lululemon size guide, read on 2026-09-18. lululemon on TrueToSize
- Boden size guide, read on 2026-09-18.