Alphalete to Spanx leggings size
The short answer
Alphalete 2XS is Spanx XS by the two brands' own charts. 3 of 7 Alphalete sizes land on a different label at Spanx.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Alphalete | Alphalete builds it for | Spanx, by chart | Same label | Spanx builds it for | Spanx also prints |
|---|---|---|---|---|---|
| 2XS | waist 23 to 24 in, hip 33 to 34 in | XS | not published | waist 25 to 27 in, hip 34 to 36 in | US numeric 0-2 |
| XS | waist 25 to 26 in, hip 35 to 36 in | XS | XS | waist 25 to 27 in, hip 34 to 36 in | US numeric 0-2 |
| S | waist 27 to 28 in, hip 37 to 38 in | S | S | waist 27 to 29 in, hip 36 to 38 in | US numeric 4-6 |
| M | waist 29 to 30 in, hip 39 to 40 in | M | M | waist 29 to 31 in, hip 38 to 40 in | US numeric 8-10 |
| L | waist 31 to 32 in, hip 41 to 42 in | L | L | waist 31 to 33.5 in, hip 40 to 42.5 in | US numeric 12-14 |
| XL | waist 33 to 34 in, hip 43 to 44 in | L | XL | waist 31 to 33.5 in, hip 40 to 42.5 in | US numeric 12-14 |
| 2XL | waist 35 to 36 in, hip 45 to 46 in | XL | not published | waist 33.5 to 36 in, hip 42.5 to 45 in | US numeric 16 |
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
- Alphalete size guide, read on 2026-09-18. Alphalete on TrueToSize
- Spanx size guide, read on 2026-09-18. Spanx on TrueToSize