Sweaty Betty to Uniqlo leggings size
The short answer
Sweaty Betty M is Uniqlo M by the two brands' own charts. 0 of 7 Sweaty Betty sizes land on a different label at Uniqlo.
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 | Uniqlo, by chart | Same label | Uniqlo builds it for | Uniqlo also prints |
|---|---|---|---|---|---|
| XXS | waist 23 in, hip 34 in | XXS | XXS | waist 22.5 to 24.8 in, hip 32.8 to 35 in | not published |
| XS | waist 25 in, hip 36 in | XS | XS | waist 24 to 26.5 in, hip 34.3 to 36.5 in | not published |
| S | waist 27 in, hip 38 in | S | S | waist 25.5 to 28 in, hip 35.8 to 38.3 in | not published |
| M | waist 29 in, hip 40 in | M | M | waist 27.3 to 29.5 in, hip 37.5 to 39.8 in | not published |
| L | waist 31 in, hip 42 in | L | L | waist 29.5 to 32 in, hip 39.8 to 42.3 in | not published |
| XL | waist 33 in, hip 44 in | XL | XL | waist 32 to 34.3 in, hip 42.3 to 44.5 in | not published |
| XXL | waist 36 in, hip 46.5 in | XXL | XXL | waist 34.3 to 36.5 in, hip 44.5 to 46.8 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
- Uniqlo size guide, read on 2026-09-18. Uniqlo on TrueToSize