Tracksmith to Old Navy leggings size
The short answer
Tracksmith XS is Old Navy XXS by the two brands' own charts. 6 of 6 Tracksmith sizes land on a different label at Old Navy.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
On 1 sizes the charts land two or more sizes from the same label. Brands do not measure the body the same way, so on those rows treat the chart answer and the same label as the two ends of a range.
| Tracksmith Women's Strata Short Tights | Tracksmith builds it for | Old Navy, by chart | Same label | Old Navy builds it for | Old Navy also prints |
|---|---|---|---|---|---|
| XS | waist 23 to 25 in, hip 32 to 34 in | XXS | XS | waist 24 in, hip 34.5 in | US numeric 00 |
| S | waist 25 to 27 in, hip 34 to 36 in | XS | S | waist 25 to 26 in, hip 35.5 to 36.5 in | US numeric 0-2 |
| M | waist 27 to 29 in, hip 36 to 38 in | S | M | waist 27 to 28 in, hip 37.5 to 38.5 in | US numeric 4-6 |
| L | waist 29 to 31 in, hip 38 to 40 in | M | L | waist 29 to 30 in, hip 39.5 to 40.5 in | US numeric 8-10 |
| XL | waist 31 to 33 in, hip 40 to 42 in | L | XL | waist 31.5 to 33.5 in, hip 42 to 44 in | US numeric 12-14 |
| XXL | waist 33 to 35 in, hip 42 to 44 in | L | XXL | waist 31.5 to 33.5 in, hip 42 to 44 in | US numeric 12-14 |
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
- Tracksmith Women's Strata Short Tights size guide, read on 2026-09-18.
- Old Navy size guide, read on 2026-09-17. Old Navy on TrueToSize