Onzie to Vuori leggings size
The short answer
Onzie X/S is Vuori XS by the two brands' own charts. 5 of 6 Onzie sizes land on a different label at Vuori.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Onzie | Onzie builds it for | Vuori, by chart | Same label | Vuori builds it for | Vuori also prints |
|---|---|---|---|---|---|
| X/S | waist 24 to 26 in, hip 33 to 35 in | XS | not published | waist 24 to 26 in, hip 34 to 36 in | US numeric 00-0 |
| S/M | waist 26 to 28 in, hip 36 to 38 in | S | not published | waist 26 to 28 in, hip 36 to 38 in | US numeric 2-4 |
| M/L | waist 28 to 31 in, hip 38 to 40 in | M | not published | waist 28 to 30 in, hip 38 to 40 in | US numeric 6-8 |
| L/L | waist 31 to 33 in, hip 40 to 42 in | L | not published | waist 30 to 33 in, hip 40 to 42 in | US numeric 10-12 |
| XL | waist 34 to 37 in, hip 43 to 45 in | XL | XL | waist 33 to 36 in, hip 42 to 45 in | US numeric 14-16 |
| 1X | waist 38 to 40 in, hip 46 to 48 in | XXL | not published | waist 36 to 39 in, hip 45 to 48 in | US numeric 18-20 |
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
- Onzie size guide, read on 2026-09-18.
- Vuori size guide, read on 2026-09-18. Vuori on TrueToSize