Size Guide
| Inner Circle (mm) | US Size | UK·AU·IE·NZ | FR | DE·RU·UA | CN·JP·IN·BR·IL | IT·ES·NL·CH | |
|---|---|---|---|---|---|---|---|
| Diameter | Circumference | ||||||
| 14.5 | 45.5 | 3.5 | G½ | 45.5 | 14.50 | 6 | 5.50 |
| 14.9 | 46.8 | 4 | H½ | 47 | 15 | 7 | 6.75 |
| 15.3 | 48.0 | 4.5 | I½ | 48 | 15.25 | 8 | 8 |
| 15.7 | 49.3 | 5 | J½ | 49.5 | 15.75 | 9 | 9.25 |
| 16.1 | 50.6 | 5.5 | L | 50.5 | 16 | 10 | 10.50 |
| 16.5 | 51.8 | 6 | M | 52 | 16.50 | 12 | 12 |
| 16.9 | 53.1 | 6.5 | N | 53 | 17 | 13 | 13 |
| 17.3 | 54.3 | 7 | O | 54.5 | 17.25 | 14 | 14.50 |
| 17.7 | 55.6 | 7.5 | P | 56 | 17.75 | 16 | 16 |
| 18.1 | 56.8 | 8 | Q | 57 | 18 | 17 | 17 |
| 18.5 | 58.1 | 8.5 | R | 58.5 | 18.50 | 18 | 18.50 |
| 18.9 | 59.3 | 9 | S | 59.5 | 19 | 19 | 19.75 |
| 19.4 | 60.9 | 9.5 | T | 61 | 19.50 | 20 | 21 |
| 19.8 | 62.2 | 10 | T½ | 62.5 | 20 | 21 | 22.25 |
| 20.2 | 63.4 | 10.5 | U½ | 63.5 | 20.25 | 23 | 23.50 |
| 20.6 | 64.7 | 11 | V½ | 65 | 20.75 | 24 | 25 |
| 21.0 | 65.9 | 11.5 | W¾ | 66 | 21 | 25 | 26 |
| 21.4 | 67.2 | 12 | Y | 67.5 | 21.25 | 26 | 27.50 |