POPFLEX to Aerie (OFFLINE) leggings size
The short answer
POPFLEX 1X is Aerie (OFFLINE) XXL by the two brands' own charts. 1 of 7 POPFLEX sizes land on a different label at Aerie (OFFLINE).
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 | Aerie (OFFLINE), by chart | Same label | Aerie (OFFLINE) builds it for | Aerie (OFFLINE) also prints |
|---|---|---|---|---|---|
| XXS | waist 22 to 24 in, hip 32 to 34 in | XXS | XXS | waist 22.5 to 23.5 in, hip 32 to 33 in | US numeric 000-00 |
| XS | waist 24 to 26 in, hip 34 to 36 in | XS | XS | waist 24.5 to 25.5 in, hip 34 to 35 in | US numeric 0-2 |
| S | waist 26 to 28 in, hip 36 to 38 in | S | S | waist 26.5 to 27.5 in, hip 36 to 37 in | US numeric 4-6 |
| M | waist 28 to 31 in, hip 38 to 40 in | M | M | waist 28.5 to 29.5 in, hip 38 to 39 in | US numeric 8-10 |
| L | waist 31 to 34 in, hip 40 to 43 in | L | L | waist 31 to 32.5 in, hip 40.5 to 42 in | US numeric 12-14 |
| XL | waist 34 to 38 in, hip 43 to 47 in | XL | XL | waist 34 to 36 in, hip 43.5 to 45.5 in | US numeric 16-18 |
| 1X | waist 38 to 42 in, hip 48 to 52 in | XXL | not published | waist 38 in, hip 47.5 in | US numeric 20 |
| 2X | waist 42 to 46 in, hip 52 to 56 in | not made | not published | not published | 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.
- Aerie (OFFLINE) size guide, read on 2026-09-18. Aerie (OFFLINE) on TrueToSize