Buffbunny to Sweaty Betty leggings size
The short answer
Buffbunny XXS/00 is Sweaty Betty XS by the two brands' own charts. 7 of 7 Buffbunny 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.
| Buffbunny | Buffbunny builds it for | Sweaty Betty, by chart | Same label | Sweaty Betty builds it for | Sweaty Betty also prints |
|---|---|---|---|---|---|
| XXS/00 | waist 24 to 25 in, hip 33 to 35 in | XS | not published | waist 25 in, hip 36 in | US numeric 4 |
| XS/0-2 | waist 25 to 27 in, hip 36 to 37 in | XS or S | not published | waist 25 in, hip 36 in | US numeric 4 |
| S/4-6 | waist 27 to 28 in, hip 38 to 39 in | S | not published | waist 27 in, hip 38 in | US numeric 6 |
| M/6-8 | waist 29 to 31 in, hip 39 to 41 in | M or L | not published | waist 29 in, hip 40 in | US numeric 8 |
| L/10-12 | waist 32 to 34 in, hip 42 to 44 in | XL | not published | waist 33 in, hip 44 in | US numeric 12 |
| XL/14-16 | waist 35 to 37 in, hip 45 to 47 in | XXL | not published | waist 36 in, hip 46.5 in | US numeric 14 |
| XXL/16-18 | waist 37 to 39 in, hip 47 to 49 in | XXL | not published | waist 36 in, hip 46.5 in | US numeric 14 |
| XXXL/18-20 | waist 39 to 41 in, hip 50 to 52 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
- Buffbunny size guide, read on 2026-09-18.
- Sweaty Betty size guide, read on 2026-09-17. Sweaty Betty on TrueToSize