Lotto Footwear Size Guide
| Internal Foot Length (cm) | US | UK | EU |
| 23 | 4.5 | 3.5 | 36 |
|
24 |
5 | 4 | 37 |
| 24.5 | 5.5 | 4.5 | 38 |
| 25 | 7 | 6 | 39 |
| 25.5 | 7.5 | 6.5 | 40 |
| 26 | 8 | 7 | 40.5 |
| 26.5 | 8.5 | 7.5 | 41 |
| 27 | 9 | 8 | 42 |
| 27.5 | 9.5 | 8.5 | 42.5 |
| 27.5 | 10 | 9 | 43 |
| 28 | 10.5 | 9.5 | 43.5 |
| 28.5 | 11 | 10 | 44 |
| 29 | 11.5 | 10.5 | 45 |
| 29.5 | 12 | 11 | 45.5 |
| 30 | 12.5 | 11.5 | 46 |
| 30.5 | 13 | 12 | 47 |