Sweaty Betty to AYBL leggings size
The short answer
Sweaty Betty L is AYBL M by the two brands' own charts. 3 of 7 Sweaty Betty sizes land on a different label at AYBL.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Sweaty Betty | Sweaty Betty builds it for | AYBL, by chart | Same label | AYBL builds it for | AYBL also prints |
|---|---|---|---|---|---|
| XXS | waist 23 in, hip 34 in | XXS | XXS | waist 23 to 24 in, hip 33.5 to 35 in | not published |
| XS | waist 25 in, hip 36 in | XS | XS | waist 24 to 26.5 in, hip 35 to 37 in | not published |
| S | waist 27 in, hip 38 in | S | S | waist 26.5 to 29 in, hip 37 to 39.5 in | not published |
| M | waist 29 in, hip 40 in | M | M | waist 29 to 31 in, hip 39.5 to 42 in | not published |
| L | waist 31 in, hip 42 in | M | L | waist 29 to 31 in, hip 39.5 to 42 in | not published |
| XL | waist 33 in, hip 44 in | L | XL | waist 31 to 33.5 in, hip 42 to 44.5 in | not published |
| XXL | waist 36 in, hip 46.5 in | XL | XXL | waist 33.5 to 36 in, hip 44.5 to 46.5 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
- Sweaty Betty size guide, read on 2026-09-17. Sweaty Betty on TrueToSize
- AYBL size guide, read on 2026-09-18.