Zella to Aerie (OFFLINE) leggings size
The short answer
Zella M is Aerie (OFFLINE) M by the two brands' own charts. 0 of 7 Zella 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.
| Zella | Zella builds it for | Aerie (OFFLINE), by chart | Same label | Aerie (OFFLINE) builds it for | Aerie (OFFLINE) also prints |
|---|---|---|---|---|---|
| XXS | waist 24 in, hip 33.5 in | XXS or XS | XXS | waist 22.5 to 23.5 in, hip 32 to 33 in | US numeric 000-00 |
| XS | waist 25 to 26 in, hip 34.5 to 35.5 in | XS | XS | waist 24.5 to 25.5 in, hip 34 to 35 in | US numeric 0-2 |
| S | waist 27 to 28 in, hip 36.5 to 37.5 in | S | S | waist 26.5 to 27.5 in, hip 36 to 37 in | US numeric 4-6 |
| M | waist 29 to 30 in, hip 38.5 to 39.5 in | M | M | waist 28.5 to 29.5 in, hip 38 to 39 in | US numeric 8-10 |
| L | waist 31.5 to 33.5 in, hip 41.5 to 43.5 in | L | L | waist 31 to 32.5 in, hip 40.5 to 42 in | US numeric 12-14 |
| XL | waist 35.5 in, hip 45.5 in | XL | XL | waist 34 to 36 in, hip 43.5 to 45.5 in | US numeric 16-18 |
| XXL | waist 38 in, hip 48.5 in | XXL | XXL | waist 38 in, hip 47.5 in | US numeric 20 |
| 2X | waist 40.5 in, hip 51 in | not made | not published | not published | not published |
| 3X | waist 43 to 45 in, hip 53.3 to 55.5 in | not made | not published | not published | not published |
| 4X | waist 47 to 49 in, hip 57.8 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
- Zella size guide, read on 2026-09-18. Zella on TrueToSize
- Aerie (OFFLINE) size guide, read on 2026-09-18. Aerie (OFFLINE) on TrueToSize