Ortho Pro - Men's Size Guide
| US Size | EU | UK | Shoe Length (in) | Shoe Width (in) | Foot Girth (in) | Over Arch (in) |
|---|---|---|---|---|---|---|
| 4 | 36 | 3 | 9.1 | 3.4 | 9.2 | 9.5 |
| 4.5 | 36.5 | 3.5 | 9.3 | 3.5 | 9.3 | 9.6 |
| 5 | 37 | 4 | 9.4 | 3.5 | 9.4 | 9.7 |
| 5.5 | 37.5 | 4.5 | 9.6 | 3.6 | 9.5 | 9.8 |
| 6 | 38 | 5 | 9.8 | 3.6 | 9.6 | 9.9 |
| 6.5 | 39 | 5.5 | 10.0 | 3.7 | 9.7 | 10.0 |
| 7 | 40 | 6 | 10.2 | 3.7 | 10.0 | 10.4 |
| 7.5 | 40.5 | 6.5 | 10.4 | 3.7 | 10.2 | 10.6 |
| 8 | 41 | 7 | 10.6 | 3.8 | 10.3 | 10.7 |
| 8.5 | 42 | 7.5 | 10.8 | 3.8 | 10.4 | 10.8 |
| 9 | 42.5 | 8 | 11.0 | 3.8 | 10.5 | 10.9 |
| 9.5 | 43 | 8.5 | 11.2 | 3.9 | 10.6 | 11.0 |
| 10 | 44 | 9 | 11.4 | 3.9 | 10.7 | 11.2 |
| 10.5 | 44.5 | 9.5 | 11.6 | 4.0 | 10.8 | 11.3 |
| 11 | 45 | 10 | 11.8 | 4.0 | 10.9 | 11.4 |
| 11.5 | 46 | 10.5 | 12.0 | 4.1 | 11.0 | 11.5 |
| 12 | 46.5 | 11 | 12.2 | 4.1 | 11.1 | 11.6 |
| 13 | 47 | 12 | 12.6 | 4.2 | 11.3 | 11.8 |
| 13.5 | 47.5 | 12.5 | 12.8 | 4.2 | 11.4 | 11.9 |