Aerie (OFFLINE) to Sweaty Betty leggings size
The short answer
Aerie (OFFLINE) XL is Sweaty Betty XXL by the two brands' own charts. 1 of 6 Aerie (OFFLINE) sizes land on a different label at Sweaty Betty.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Aerie (OFFLINE) | Aerie (OFFLINE) builds it for | Sweaty Betty, by chart | Same label | Sweaty Betty builds it for | Sweaty Betty also prints |
|---|---|---|---|---|---|
| XXS | waist 22.5 to 23.5 in, hip 32 to 33 in | XXS | XXS | waist 23 in, hip 34 in | US numeric 2 |
| XS | waist 24.5 to 25.5 in, hip 34 to 35 in | XS | XS | waist 25 in, hip 36 in | US numeric 4 |
| S | waist 26.5 to 27.5 in, hip 36 to 37 in | S | S | waist 27 in, hip 38 in | US numeric 6 |
| M | waist 28.5 to 29.5 in, hip 38 to 39 in | M | M | waist 29 in, hip 40 in | US numeric 8 |
| L | waist 31 to 32.5 in, hip 40.5 to 42 in | L or XL | L | waist 31 in, hip 42 in | US numeric 10 |
| XL | waist 34 to 36 in, hip 43.5 to 45.5 in | XXL | XL | waist 36 in, hip 46.5 in | US numeric 14 |
| XXL | waist 38 in, hip 47.5 in | not made | XXL | 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
- Aerie (OFFLINE) size guide, read on 2026-09-18. Aerie (OFFLINE) on TrueToSize
- Sweaty Betty size guide, read on 2026-09-17. Sweaty Betty on TrueToSize