Size Chart
| Circumference (mm) | Diameter (mm) | Alphabetical Size (Australia) | Numerical Size (USA) |
|---|---|---|---|
| 48.7 | 15.49 | J | 5 |
| 50 | 15.9 | K | 5.5 |
| 51.2 | 16.31 | L | 6 |
| 52.5 | 16.71 | M | 6.5 |
| 53.8 | 17.12 | N | 7 |
| 55.1 | 17.53 | O | 7.5 |
| 56.3 | 17.93 | P | 8 |
| 57.6 | 18.34 | Q | 8.5 |
| 58.9 | 18.75 | R | 9 |
| 60.2 | 19.15 | S | 9.5 |
| 61.4 | 19.56 | T | 10 |
| 62.7 | 19.96 | U | 10.5 |
| 64 | 20.37 | V | 11 |
| 65.3 | 20.78 | W | 11.5 |
| 66.6 | 21.19 | X | 12 |
| 68 | 21.59 | Y | 12.5 |
| 68.5 | 21.79 | Z | 13 |