| Size | XS | S | M | L | XL |
| US | 3.5 - 5.0 | 5.5 - 7.0 | 7.5 - 9.0 | 9.5 - 11.0 | 11.5 - 13.0 |
| UK | 2.5 - 4.0 | 4.5 - 6.0 | 6.5 - 8.0 | 8.5 - 10.0 | 10.5 - 12.0 |
| EU | 35.5 - 37.5 | 38.0 - 40.0 | 40.5 - 43.0 | 43.5 - 45.5 | 46.0 - 48.0 |
| CM | 22.5 - 23.5 | 24.0 - 25.0 | 25.5 - 27.0 | 27.5 - 28.5 | 29.0 - 30.5 |
| Code | 2A | B | D | 2E | 4E |
| Women's | Narrow | Standard | Wide | Extra Wide | -- |
| Men's/Kids | __ | Narrow | Standard | Wide | Extra Wide |