| US Men | US Women | UK | Euro | |
| XS | 3 - 4.5 | 4.5 - 6 | 2 - 3.5 | 34.5 - 36.5 |
| S | 5 - 6.5 | 6.5 - 8 | 4 - 5.5 | 37 - 39 |
| M | 7 - 8.5 | 8.5 - 10 | 6 - 7.5 | 39.5 - 41.5 |
| L | 9 - 10.5 | 10.5 -12 | 8 - 9.5 | 42 - 44 |
| XL | 11 - 12.5 | 12.5 - 14 | 10 - 11.5 | 44.5 - 46.5 |
| XXL | 13 - 14.5 | 14.5 - 16 | 12 - 13.5 | 47 - 48.5 |
