Men's J Toe Size Chart
| US Sizes | Length (in inches) | Euro Sizes | UK Sizes |
| 8 | 11 1/2" | 41 | 7.5 |
| 8.5 | 11 3/4" | 41-42 | 8 |
| 9 | 11 7/8" | 42 | 8.5 |
| 9.5 | 12 1/4" | 42-43 | 9 |
| 10 | 12 1/2" | 43 | 9.5 |
| 10.5 | 12 1/2" | 43-44 | 10 |
| 11 | 12 7/8" | 44 | 10.5 |
| 11.5 | 12 7/8" | 44-45 | 11 |
| 12 | 13" | 45 | 11.5 |
| 12.5 | 13 1/4" | 45-46 | 12 |
| 13 | 13 1/4" | 46 | 12.5 |
| 13.5 | 13 3/8" | 46-47 | 13 |
| 14 | 13 7/8" | 47 | 13.5 |