Girlfriend Collective to lululemon leggings size
The short answer
Girlfriend Collective L is lululemon 10 or 12 by the two brands' own charts.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Girlfriend Collective | Girlfriend Collective builds it for | lululemon, by chart | Same label | lululemon builds it for | lululemon also prints |
|---|---|---|---|---|---|
| XXS | waist 22 to 24 in, hip 32 to 34 in | 2 | not published | waist 23 in, hip 33 in | Letter XXS |
| XS | waist 24 to 26 in, hip 34 to 36 in | 4 | not published | waist 25 in, hip 35 in | Letter XS |
| S | waist 26 to 28 in, hip 36 to 39 in | 6 | not published | waist 27 in, hip 37 in | Letter S |
| M | waist 28 to 30.5 in, hip 39 to 41.5 in | 8 | not published | waist 29 in, hip 39 in | Letter M |
| L | waist 30.5 to 33 in, hip 41.5 to 44 in | 10 or 12 | not published | waist 31 in, hip 41 in | Letter L |
| XL | waist 33 to 35.5 in, hip 44 to 46.5 in | 14 or 12 | not published | waist 35 in, hip 45 in | Letter XXL |
| XXL | waist 35.5 to 39 in, hip 46.5 to 50 in | 16 | not published | waist 38 in, hip 47 in | not published |
| XXXL | waist 39 to 42.5 in, hip 50 to 53.5 in | 18 | not published | waist 41 in, hip 49 in | not published |
| 4XL | waist 42.5 to 46 in, hip 53.5 to 57 in | 20 | not published | waist 43 in, hip 51 in | not published |
| 5XL | waist 46 to 49.5 in, hip 57 to 60.5 in | not made | not published | not published | not published |
| 6XL | waist 49.5 to 53 in, hip 60.5 to 64 in | not made | not published | not published | not published |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Girlfriend Collective size guide, read on 2026-09-17. Girlfriend Collective on TrueToSize
- lululemon size guide, read on 2026-09-17. lululemon on TrueToSize