Adult Size Chart - Common Tread follows UK sizing
| Foot Length (mm) | Common Tread/UK | US | EU |
| 262 - 269 | 7 | 8 | 41 |
| 270 - 278 | 8 | 9 | 42 |
| 279 - 286 | 9 | 10 | 43/44 |
| 287 - 295 | 10 | 11 | 45 |
| 296 - 303 | 11 | 12 | 46 |
| Foot Length (mm) | Common Tread/UK | US | EU |
| 262 - 269 | 7 | 8 | 41 |
| 270 - 278 | 8 | 9 | 42 |
| 279 - 286 | 9 | 10 | 43/44 |
| 287 - 295 | 10 | 11 | 45 |
| 296 - 303 | 11 | 12 | 46 |