Aerie (OFFLINE) to Marks & Spencer (Goodmove) leggings size
The short answer
Aerie (OFFLINE) M is Marks & Spencer (Goodmove) 12 by the two brands' own charts.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Aerie (OFFLINE) | Aerie (OFFLINE) builds it for | Marks & Spencer (Goodmove), by chart | Same label | Marks & Spencer (Goodmove) builds it for | Marks & Spencer (Goodmove) also prints |
|---|---|---|---|---|---|
| XXS | waist 22.5 to 23.5 in, hip 32 to 33 in | 6 | not published | waist 24 in, hip 33.8 in | US numeric 2 · AU 6 |
| XS | waist 24.5 to 25.5 in, hip 34 to 35 in | 8 | not published | waist 25.5 in, hip 35.5 in | US numeric 4 · AU 8 |
| S | waist 26.5 to 27.5 in, hip 36 to 37 in | 10 | not published | waist 27.5 in, hip 37.5 in | US numeric 6 · AU 10 |
| M | waist 28.5 to 29.5 in, hip 38 to 39 in | 12 | not published | waist 29.5 in, hip 39.5 in | US numeric 8 · AU 12 |
| L | waist 31 to 32.5 in, hip 40.5 to 42 in | 14 | not published | waist 31.8 in, hip 41.5 in | US numeric 10 · AU 14 |
| XL | waist 34 to 36 in, hip 43.5 to 45.5 in | 16 or 18 | not published | waist 34 in, hip 43.3 in | US numeric 12 · AU 16 |
| XXL | waist 38 in, hip 47.5 in | 20 | not published | waist 38.5 in, hip 47.5 in | US numeric 16 · AU 20 |
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
- Aerie (OFFLINE) size guide, read on 2026-09-18. Aerie (OFFLINE) on TrueToSize
- Marks & Spencer (Goodmove) size guide, read on 2026-09-18.