Nike to lululemon clothing size
The short answer
Nike XXS is lululemon XXXS by the two brands' own charts. 4 of 7 Nike sizes land on a different label at lululemon.
Both brands publish the body bust each size is cut for, so every row matches a bust, not a letter or a number.
| Nike | Nike builds it for | lululemon, by chart | Same label | lululemon builds it for | lululemon also prints |
|---|---|---|---|---|---|
| XXS | bust 27.5 to 29.5 in, waist 21.3 to 23.5 in, hip 30.5 to 33 in | XXXS | XXS | bust 28.5 in | US 0 |
| XS | bust 29.5 to 32.5 in, waist 23.5 to 26 in, hip 33 to 35.5 in | XS | XS | bust 31 to 32 in | US 4 |
| S | bust 32.5 to 35.5 in, waist 26 to 29 in, hip 35.5 to 38.5 in | S | S | bust 33 to 34 in | US 6 |
| M | bust 35.5 to 38 in, waist 29 to 31.5 in, hip 38.5 to 41 in | L | M | bust 37 to 38.5 in | US 10 |
| L | bust 38 to 41 in, waist 31.5 to 34.5 in, hip 41 to 44 in | XL or L | L | bust 40 to 42 in | US 12-14 |
| XL | bust 41 to 44.5 in, waist 34.5 to 38.5 in, hip 44 to 47 in | XL | XL | bust 40 to 42 in | US 12-14 |
| XXL | bust 44.5 to 48.5 in, waist 38.5 to 42.5 in, hip 47 to 50 in | 1X | not published | bust 45 to 47 in | US 16-18 |
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
- Nike size guide, read on 2026-09-18. Nike on TrueToSize
- lululemon size guide, read on 2026-09-18. lululemon on TrueToSize