Men's size guide
| US MEN | UK | EUROPE | FOOT LENGTH | JAPAN | |
| 5 | 5 | 4 | 37.5 | 9.25 | 23 |
| 5.5 | 5.5 | 4.5 | 38 | 9.25 | 23.5 |
| 6 | 6 | 5 | 38.5 | 9.5 | 24 |
| 6.5 | 6.5 | 5.5 | 39 | 9.5 | 24.5 |
| 7 | 7 | 6 | 40 | 9.75 | 25 |
| 7.5 | 7.5 | 6.5 | 40.5 | 10 | 25.5 |
| 8 | 8 | 7 | 41 | 10 | 26 |
| 8.5 | 8.5 | 7.5 | 42 | 10.25 | 26.5 |
| 9 | 9 | 8 | 42.5 | 10.5 | 27 |
| 9.5 | 9.5 | 8.5 | 43 | 10.75 | 27.5 |
| 10 | 10 | 9 | 44 | 11 | 28 |
| 10.5 | 10.5 | 9.5 | 44.5 | 11 | 28.5 |
| 11 | 11 | 10 | 45 | 11.25 | 29 |
| 11.5 | 11.5 | 10.5 | 46 | 11.5 | 29.5 |
| 12 | 12 | 11 | 46.5 | 11.5 | 30 |
| 12.5 | 12.5 | 11.5 | 47 | 11.75 | 30.5 |
| 13 | 13 | 12 | 47.5 | 12 | 31 |