Marks & Spencer (Goodmove) to lululemon leggings size
The short answer
Marks & Spencer (Goodmove) 16 is lululemon 12 or 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.
| Marks & Spencer (Goodmove) | Marks & Spencer (Goodmove) builds it for | lululemon, by chart | Same label | lululemon builds it for | lululemon also prints |
|---|---|---|---|---|---|
| 6 | waist 24 in, hip 33.8 in | 2 or 4 | 2 | waist 23 in, hip 33 in | Letter XXS |
| 8 | waist 25.5 in, hip 35.5 in | 4 | 4 | waist 25 in, hip 35 in | Letter XS |
| 10 | waist 27.5 in, hip 37.5 in | 6 | 6 | waist 27 in, hip 37 in | Letter S |
| 12 | waist 29.5 in, hip 39.5 in | 8 | 8 | waist 29 in, hip 39 in | Letter M |
| 14 | waist 31.8 in, hip 41.5 in | 10 or 12 | 10 | waist 31 in, hip 41 in | Letter L |
| 16 | waist 34 in, hip 43.3 in | 12 or 14 | 12 | waist 33 in, hip 43 in | Letter XL |
| 18 | waist 36.3 in, hip 45.3 in | 14 or 16 | 14 | waist 35 in, hip 45 in | Letter XXL |
| 20 | waist 38.5 in, hip 47.5 in | 16 | 16 | waist 38 in, hip 47 in | not published |
| 22 | waist 41 in, hip 50 in | 18 | 18 | waist 41 in, hip 49 in | not published |
| 24 | waist 43.3 in, hip 52.5 in | 20 | 20 | waist 43 in, hip 51 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
- Marks & Spencer (Goodmove) size guide, read on 2026-09-18.
- lululemon size guide, read on 2026-09-17. lululemon on TrueToSize