Gymshark to Fabletics leggings size
The short answer
Gymshark XL is Fabletics L by the two brands' own charts. 2 of 7 Gymshark sizes land on a different label at Fabletics.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Gymshark | Gymshark builds it for | Fabletics, by chart | Same label | Fabletics builds it for | Fabletics also prints |
|---|---|---|---|---|---|
| XXS | waist 24 in, hip 35.5 in | XXS | XXS | waist 24 to 25 in, hip 33 to 35 in | US numeric 00 |
| XS | waist 26 in, hip 37.5 in | XS | XS | waist 25.5 to 26.5 in, hip 36 to 37 in | US numeric 0-2 |
| S | waist 28 in, hip 39.5 in | S | S | waist 27 to 28 in, hip 37.5 to 38.5 in | US numeric 4-6 |
| M | waist 30 in, hip 41.5 in | M | M | waist 29 to 31 in, hip 39 to 41 in | US numeric 8-10 |
| L | waist 32 in, hip 43.5 in | L | L | waist 32 to 34 in, hip 42 to 44 in | US numeric 12-14 |
| XL | waist 34 in, hip 45.5 in | L | XL | waist 32 to 34 in, hip 42 to 44 in | US numeric 12-14 |
| XXL | waist 36 in, hip 47.7 in | XL | XXL/1X | waist 35 to 37 in, hip 45 to 47 in | US numeric 16-18 |
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
- Gymshark size guide, read on 2026-09-17. Gymshark on TrueToSize
- Fabletics size guide, read on 2026-09-18. Fabletics on TrueToSize