| Size (US) | Mondopoint (cm) | Sole length (mm) | Foot width (mm) | EU | UK |
| 3.5-4 | 22-22.5 | 248 | 90 | 34.5-35 | 2.5-3 |
| 4.5-5 | 23-23.5 | 258 | 92 | 36-37 | 3.5-4 |
| 6-6.5 | 24-24.5 | 268 | 94 | 37.5-38 | 5-5.5 |
| 7-7.5 | 25-25.5 | 278 | 96 | 39-40 | 6-6.5 |
| 8-8.5 | 26-26.5 | 288 | 98 | 40.5-41 | 7-7.5 |
| 9-10 | 27-27.5 | 298 | 100 | 42-43 | 8-9 |
| 10.5-11 | 28-28.5 | 308 | 102 | 43.5-44 | 9.5-10 |
| 11.5-12 | 29-29.5 | 318 | 104 | 45-46 | 10.5-11 |
| 13-13.5 | 30-30.5 | 328 | 106 | 46.5-47 | 12-12.5 |
Size Guide for Atomic Backland Alpine Boots
