Oysho to Alphalete leggings size
The short answer
Oysho XXS is Alphalete 2XS or XS by the two brands' own charts. 4 of 7 Oysho sizes land on a different label at Alphalete.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Oysho | Oysho builds it for | Alphalete, by chart | Same label | Alphalete builds it for | Alphalete also prints |
|---|---|---|---|---|---|
| XXS | waist 24 to 25 in, hip 36 to 37 in | 2XS or XS | 2XS | waist 23 to 24 in, hip 33 to 34 in | not published |
| XS | waist 25 to 26 in, hip 37 to 38 in | XS | XS | waist 25 to 26 in, hip 35 to 36 in | not published |
| S | waist 26 to 27 in, hip 38 to 39 in | XS or S | S | waist 25 to 26 in, hip 35 to 36 in | not published |
| M | waist 27 to 29 in, hip 39 to 41 in | S | M | waist 27 to 28 in, hip 37 to 38 in | not published |
| L | waist 30 to 33 in, hip 42 to 45 in | L | L | waist 31 to 32 in, hip 41 to 42 in | not published |
| XL | waist 33 to 35 in, hip 45 to 47 in | XL | XL | waist 33 to 34 in, hip 43 to 44 in | not published |
| XXL | waist 36 to 39 in, hip 48 to 51 in | 2XL | 2XL | waist 35 to 36 in, hip 45 to 46 in | 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
- Oysho size guide, read on 2026-09-18. Oysho on TrueToSize
- Alphalete size guide, read on 2026-09-18. Alphalete on TrueToSize