Sizes Men’s (regular foot)
| GRUBIN | EURO sizes | USA/ Australian |
| 40 | 38 | 6 |
| 41 | 39 | 6.5 |
| 41 | 39 | 7 |
| 42 | 40 | 7.5 |
| 42 | 40 | 8 |
| 43 | 41 | 8.5 |
| 43 | 41 | 9 |
| 44 | 42 | 9.5 |
| 44 | 42 | 10 |
| 45 | 43 | 10.5 |
| 45 | 43 | 11 |
| 46 | 44 | 11.5 |
| 46 | 44 | 12 |
| 47 | 45 | 12.5 |
| 47 | 45 | 13 |
| 48 | 46 | 13.5 |
| 48 | 46 | 14 |
| 49 | 47 | 14.5 |
| 49 | 47 | 15 |
Sizes Men’s (wider foot)
| GRUBIN | EURO Sizes | USA/ Australian |
| 41 | 39 | 6 |
| 42 | 40 | 6.5 |
| 42 | 40 | 7 |
| 43 | 41 | 7.5 |
| 43 | 41 | 8 |
| 44 | 42 | 8.5 |
| 44 | 42 | 9 |
| 45 | 43 | 9.5 |
| 45 | 43 | 10 |
| 46 | 44 | 10.5 |
| 46 | 44 | 11 |
| 47 | 45 | 11.5 |
| 47 | 45 | 12 |
| 48 | 46 | 12.5 |
| 48 | 46 | 13 |
| 49 | 47 | 13.5 |
| 49 | 47 | 14 |
Foot in centimeter
In order to make a more precise choice of the size of our shoes, our team has prepared the following tables that show sizes in cm.
| Size | Shoe length in cm | Optimal foot length in cm |
| 40 | 25.1 | 24.5 |
| 41 | 25.5 | 24.9 |
| 42 | 26.2 | 25.6 |
| 43 | 26.9 | 26.3 |
| 44 | 27.5 | 26.9 |
| 45 | 28.5 | 27.9 |
| 46 | 29 | 28.4 |
| 47 | 29.8 | 29.2 |
| 48 | 31.2 | 30.6 |
| 49 | 32.1 | 31.5 |


