9FORTY & 9TWENTY Size Chart
| Circumference | Cap Size | |
|---|---|---|
| (cm) | (in) | |
| 55.8 | 22 | One Size Fits Most |
| 56.8 | 22 3/8 | |
| 57.7 | 22 3/4 | |
| 58.7 | 23 1/8 | |
| 59.6 | 23 1/2 | |
| 60.6 | 23 7/8 | |
| 61.5 | 24 1/4 | |
| Circumference | Cap Size | |
|---|---|---|
| (cm) | (in) | |
| 55.8 | 22 | One Size Fits Most |
| 56.8 | 22 3/8 | |
| 57.7 | 22 3/4 | |
| 58.7 | 23 1/8 | |
| 59.6 | 23 1/2 | |
| 60.6 | 23 7/8 | |
| 61.5 | 24 1/4 | |