Old Navy to Marks & Spencer (Goodmove) leggings size
The short answer
Old Navy L is Marks & Spencer (Goodmove) 14 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.
| Old Navy | Old Navy builds it for | Marks & Spencer (Goodmove), by chart | Same label | Marks & Spencer (Goodmove) builds it for | Marks & Spencer (Goodmove) also prints |
|---|---|---|---|---|---|
| XXS | waist 24 in, hip 34.5 in | 6 | not published | waist 24 in, hip 33.8 in | US numeric 2 · AU 6 |
| XS | waist 25 to 26 in, hip 35.5 to 36.5 in | 8 | not published | waist 25.5 in, hip 35.5 in | US numeric 4 · AU 8 |
| S | waist 27 to 28 in, hip 37.5 to 38.5 in | 10 | not published | waist 27.5 in, hip 37.5 in | US numeric 6 · AU 10 |
| M | waist 29 to 30 in, hip 39.5 to 40.5 in | 12 | not published | waist 29.5 in, hip 39.5 in | US numeric 8 · AU 12 |
| L | waist 31.5 to 33.5 in, hip 42 to 44 in | 14 | not published | waist 31.8 in, hip 41.5 in | US numeric 10 · AU 14 |
| XL | waist 36.3 to 39 in, hip 46.5 to 49 in | 20 or 18 | not published | waist 38.5 in, hip 47.5 in | US numeric 16 · AU 20 |
| XXL | waist 42 in, hip 51.5 in | 22 or 24 | not published | waist 41 in, hip 50 in | US numeric 18 · AU 22 |
| 2X | waist 42 to 44.3 in, hip 51.5 to 53.8 in | 24 | not published | waist 43.3 in, hip 52.5 in | US numeric 20 · AU 24 |
| 3X | waist 46.6 to 49 in, hip 56.1 to 58.5 in | not made | not published | not published | not published |
| 4X | waist 51.5 to 54 in, hip 61 to 63.5 in | not made | not published | not published | 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
- Old Navy size guide, read on 2026-09-17. Old Navy on TrueToSize
- Marks & Spencer (Goodmove) size guide, read on 2026-09-18.