POPFLEX to lululemon leggings size
The short answer
POPFLEX L is lululemon 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.
| POPFLEX | POPFLEX 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 38 in | 6 | not published | waist 27 in, hip 37 in | Letter S |
| M | waist 28 to 31 in, hip 38 to 40 in | 8 | not published | waist 29 in, hip 39 in | Letter M |
| L | waist 31 to 34 in, hip 40 to 43 in | 12 | not published | waist 33 in, hip 43 in | Letter XL |
| XL | waist 34 to 38 in, hip 43 to 47 in | 14 | not published | waist 35 in, hip 45 in | Letter XXL |
| 1X | waist 38 to 42 in, hip 48 to 52 in | 18 | not published | waist 41 in, hip 49 in | not published |
| 2X | waist 42 to 46 in, hip 52 to 56 in | 20 | not published | waist 43 in, hip 51 in | not published |
| 3X | waist 46 to 50 in, hip 56 to 60 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
- POPFLEX size guide, read on 2026-09-18.
- lululemon size guide, read on 2026-09-17. lululemon on TrueToSize