Uniqlo to POPFLEX leggings size
The short answer
Uniqlo L is POPFLEX M by the two brands' own charts. 3 of 7 Uniqlo sizes land on a different label at POPFLEX.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Uniqlo | Uniqlo builds it for | POPFLEX, by chart | Same label | POPFLEX builds it for | POPFLEX also prints |
|---|---|---|---|---|---|
| XXS | waist 22.5 to 24.8 in, hip 32.8 to 35 in | XXS | XXS | waist 22 to 24 in, hip 32 to 34 in | not published |
| XS | waist 24 to 26.5 in, hip 34.3 to 36.5 in | XS | XS | waist 24 to 26 in, hip 34 to 36 in | not published |
| S | waist 25.5 to 28 in, hip 35.8 to 38.3 in | S | S | waist 26 to 28 in, hip 36 to 38 in | not published |
| M | waist 27.3 to 29.5 in, hip 37.5 to 39.8 in | M | M | waist 28 to 31 in, hip 38 to 40 in | not published |
| L | waist 29.5 to 32 in, hip 39.8 to 42.3 in | M | L | waist 28 to 31 in, hip 38 to 40 in | not published |
| XL | waist 32 to 34.3 in, hip 42.3 to 44.5 in | L | XL | waist 31 to 34 in, hip 40 to 43 in | not published |
| XXL | waist 34.3 to 36.5 in, hip 44.5 to 46.8 in | XL | not published | waist 34 to 38 in, hip 43 to 47 in | 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
- Uniqlo size guide, read on 2026-09-18. Uniqlo on TrueToSize
- POPFLEX size guide, read on 2026-09-18.