Smartwool to Marks & Spencer (Goodmove) leggings size
The short answer
Smartwool L is Marks & Spencer (Goodmove) 18 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.
| Smartwool | Smartwool builds it for | Marks & Spencer (Goodmove), by chart | Same label | Marks & Spencer (Goodmove) builds it for | Marks & Spencer (Goodmove) also prints |
|---|---|---|---|---|---|
| S | waist 29 to 31 in, hip 36 to 38 in | 12 | not published | waist 29.5 in, hip 39.5 in | US numeric 8 · AU 12 |
| M | waist 32 to 34 in, hip 39 to 41 in | 16 or 14 | not published | waist 34 in, hip 43.3 in | US numeric 12 · AU 16 |
| L | waist 35 to 37 in, hip 42 to 44 in | 18 | not published | waist 36.3 in, hip 45.3 in | US numeric 14 · AU 18 |
| XL | waist 38 to 40 in, hip 45 to 48 in | 20 | not published | waist 38.5 in, hip 47.5 in | US numeric 16 · AU 20 |
| XXL | waist 41 to 44 in, hip 49 to 51 in | 24 | not published | waist 43.3 in, hip 52.5 in | US numeric 20 · AU 24 |
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
- Smartwool size guide, read on 2026-09-18.
- Marks & Spencer (Goodmove) size guide, read on 2026-09-18.