Roces Ski boots are measured in Mondo point. Mondo points equals the centimeter length of your foot. Choose 1 size up in size if your length does not exist.
Chart from Roces :
| Mondo point (cm) | EU | US Men's | US Women's | UK |
| 22 | 35 | 3 | 4 | 2.5 |
| 22.5 | 36 | 3.5 | 4.5 | 3 |
| 23 | 36.23 | 4.5 | 5.5 | 4 |
| 23.5 | 37.13 | 5 | 6 | 4.5 |
| 24 | 38 | 5.5 | 6.5 | 5 |
| 24.5 | 39 | 6 | 7 | 5.5 |
| 25 | 39.23 | 6.5 | 7.5 | 6 |
| 25.5 | 40.13 | 7 | 8 | 6.5 |
| 26 | 41 | 8 | 9 | 7 |
| 26.5 | 42 | 8.5 | 9.5 | 8 |
| 27 | 42.23 | 9 | 10 | 8.5 |
| 27.5 | 43.13 | 9.5 | 10.5 | 9 |
| 28 | 44 | 10 | 11 | 9.5 |
| 28.5 | 45 | 10.5 | 11.5 | 10 |
| 29 | 45.23 | 11.5 | - | 11 |
| 29.5 | 46.13 | 12 | - | 11.5 |
| 30 | 47 | 12.5 | - | 12 |
| 30.5 | 48 | 13 | - | 12.5 |
| 31 | 48.23 | 13.5 | - | 13 |
| 31.5 | 49.13 | 14.5 | - | 14 |
| 32 | 50 | 15 | - | 14.5 |
| 32.5 | 51 | 15.5 | 15 |
