Old Navy to Year of Ours leggings size
The short answer
Old Navy XS is Year of Ours Extra Small by the two brands' own charts. 6 of 7 Old Navy sizes land on a different label at Year of Ours.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Old Navy | Old Navy builds it for | Year of Ours, by chart | Same label | Year of Ours builds it for | Year of Ours also prints |
|---|---|---|---|---|---|
| XXS | waist 24 in, hip 34.5 in | not made | not published | not published | not published |
| XS | waist 25 to 26 in, hip 35.5 to 36.5 in | Extra Small | not published | waist 25 to 26.5 in, hip 35 to 37 in | US numeric 2-4 |
| S | waist 27 to 28 in, hip 37.5 to 38.5 in | Small | Small | waist 27 to 28 in, hip 38 to 40 in | US numeric 4-6 |
| M | waist 29 to 30 in, hip 39.5 to 40.5 in | Medium | Medium | waist 29 to 32 in, hip 41 to 43 in | US numeric 6-8 |
| L | waist 31.5 to 33.5 in, hip 42 to 44 in | Large or Medium | Large | waist 33 to 35 in, hip 44 to 46 in | US numeric 10-12 |
| XL | waist 36.3 to 39 in, hip 46.5 to 49 in | Extra Large | not published | waist 36 to 38 in, hip 47 to 49 in | US numeric 14-16 |
| XXL | waist 42 in, hip 51.5 in | 2X | not published | waist 39 to 41 in, hip 50 to 52 in | US numeric 18-20 |
| 2X | waist 42 to 44.3 in, hip 51.5 to 53.8 in | 2X | 2X | waist 39 to 41 in, hip 50 to 52 in | US numeric 18-20 |
| 3X | waist 46.6 to 49 in, hip 56.1 to 58.5 in | not made | not published | not published | not published |
| 4X | waist 51.5 to 54 in, hip 61 to 63.5 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
- Old Navy size guide, read on 2026-09-17. Old Navy on TrueToSize
- Year of Ours size guide, read on 2026-09-18.