Marks & Spencer (Goodmove) to Tracksmith leggings size
The short answer
Marks & Spencer (Goodmove) 12 is Tracksmith L 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 | Tracksmith Women's Strata Short Tights, by chart | Same label | Tracksmith builds it for | Tracksmith also prints |
|---|---|---|---|---|---|
| 6 | waist 24 in, hip 33.8 in | XS | not published | waist 23 to 25 in, hip 32 to 34 in | not published |
| 8 | waist 25.5 in, hip 35.5 in | S | not published | waist 25 to 27 in, hip 34 to 36 in | not published |
| 10 | waist 27.5 in, hip 37.5 in | M | not published | waist 27 to 29 in, hip 36 to 38 in | not published |
| 12 | waist 29.5 in, hip 39.5 in | L | not published | waist 29 to 31 in, hip 38 to 40 in | not published |
| 14 | waist 31.8 in, hip 41.5 in | XL | not published | waist 31 to 33 in, hip 40 to 42 in | not published |
| 16 | waist 34 in, hip 43.3 in | XXL | not published | waist 33 to 35 in, hip 42 to 44 in | not published |
| 18 | waist 36.3 in, hip 45.3 in | not made | not published | not published | not published |
| 20 | waist 38.5 in, hip 47.5 in | not made | not published | not published | not published |
| 22 | waist 41 in, hip 50 in | not made | not published | not published | not published |
| 24 | waist 43.3 in, hip 52.5 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
- Marks & Spencer (Goodmove) size guide, read on 2026-09-18.
- Tracksmith Women's Strata Short Tights size guide, read on 2026-09-18.