Buffbunny to Onzie leggings size
The short answer
Buffbunny XXS/00 is Onzie X/S by the two brands' own charts. 8 of 8 Buffbunny sizes land on a different label at Onzie.
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 | Onzie, by chart | Same label | Onzie builds it for | Onzie also prints |
|---|---|---|---|---|---|
| XXS/00 | waist 24 to 25 in, hip 33 to 35 in | X/S | not published | waist 24 to 26 in, hip 33 to 35 in | US numeric 0-2 |
| XS/0-2 | waist 25 to 27 in, hip 36 to 37 in | X/S | not published | waist 24 to 26 in, hip 33 to 35 in | US numeric 0-2 |
| S/4-6 | waist 27 to 28 in, hip 38 to 39 in | S/M | not published | waist 26 to 28 in, hip 36 to 38 in | US numeric 2-6 |
| M/6-8 | waist 29 to 31 in, hip 39 to 41 in | M/L | not published | waist 28 to 31 in, hip 38 to 40 in | US numeric 6-8 |
| L/10-12 | waist 32 to 34 in, hip 42 to 44 in | L/L | not published | waist 31 to 33 in, hip 40 to 42 in | US numeric 10-12 |
| XL/14-16 | waist 35 to 37 in, hip 45 to 47 in | XL | not published | waist 34 to 37 in, hip 43 to 45 in | US numeric 14-16 |
| XXL/16-18 | waist 37 to 39 in, hip 47 to 49 in | 1X | not published | waist 38 to 40 in, hip 46 to 48 in | US numeric 16-18 |
| XXXL/18-20 | waist 39 to 41 in, hip 50 to 52 in | 1X | not published | waist 38 to 40 in, hip 46 to 48 in | US numeric 16-18 |
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.
- Onzie size guide, read on 2026-09-18.