Athleta to SKIMS leggings size
The short answer
Athleta XXS is SKIMS XS by the two brands' own charts. 5 of 9 Athleta sizes land on a different label at SKIMS.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Athleta | Athleta builds it for | SKIMS, by chart | Same label | SKIMS builds it for | SKIMS also prints |
|---|---|---|---|---|---|
| XXS | waist 24.3 in, hip 34 in | XS | XXS | waist 24 to 26 in, hip 34 to 36.5 in | US numeric 0-2 |
| XS | waist 25.3 to 26.3 in, hip 35 to 36 in | XS | XS | waist 24 to 26 in, hip 34 to 36.5 in | US numeric 0-2 |
| S | waist 27.3 to 28.3 in, hip 37 to 38 in | S | S | waist 26.5 to 28.5 in, hip 37 to 39 in | US numeric 4-6 |
| M | waist 29.3 to 30.3 in, hip 39 to 40 in | M | M | waist 29 to 31 in, hip 39.5 to 41.5 in | US numeric 8-10 |
| L | waist 31.8 to 33.3 in, hip 41.5 to 43 in | L | L | waist 31.5 to 34.5 in, hip 42 to 44 in | US numeric 12-14 |
| XL | waist 34.3 in, hip 44.5 in | L | XL | waist 31.5 to 34.5 in, hip 42 to 44 in | US numeric 12-14 |
| 1X | waist 38 to 40 in, hip 47.3 to 49.3 in | 2X | not published | waist 38.5 to 41.5 in, hip 48 to 51 in | US numeric 18-20 |
| 2X | waist 42 to 44.5 in, hip 51.3 to 53.8 in | 3X | 2X | waist 42 to 45.5 in, hip 51.5 to 55 in | US numeric 22-24 |
| 3X | waist 47 to 49.5 in, hip 56.3 to 58.8 in | 4X | 3X | waist 46 to 49.5 in, hip 55.5 to 59 in | US numeric 26-28 |
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
- Athleta size guide, read on 2026-09-17. Athleta on TrueToSize
- SKIMS size guide, read on 2026-09-18. SKIMS on TrueToSize