| Alpinestars | Boot Chart |
| OFFROAD BOOT GENERAL SIZING | ||||||||||||
| USA | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| EU | 38 | 39 | 40.5 | 42 | 43 | 44.5 | 45.5 | 47 | 48 | 49.5 | 51 | 52 |
| ROAD RACING BOOT GENERAL SIZING | ||||||||||||||||
| USA | 3.5 | 4 | 5 | 6 | 6.5 | 7.5 | 8 | 9 | 9.5 | 10.5 | 11.5 | 12 | 12.5 | 13.5 | 14 | |
| EU | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | |
| WOMEN'S BOOT GENERAL SIZING | |||||||||
| USA | 5 | 6 | 7 | 8 | 8.5 | 9 | 10 | 11 | 11.5 |
| EU | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 |