| Size US | Size EU | Insole Length (cm/inch) | Foot Circumference (cm/inch) |
| 3 | 34 | 22cm/8.7inch | 20.5cm/8.1inch |
| 4 | 35 | 22.5cm/8.9inch | 21cm/8.3inch |
| 5 | 36 | 23cm/9.1inch | 21.5cm/8.5inch |
| 6 | 37 | 23.5cm/9.3inch | 22cm/8.7inch |
| 7 | 38 | 24cm/9.4inch | 22.5cm/8.9inch |
| 8 | 39 | 24.5cm/9.6inch | 23cm/9.1inch |
| 9 | 40 | 25cm/9.8inch | 23.5cm/9.3inch |
| 10 | 41 | 25.5cm/10inch | 24cm/9.4inch |
| 11 | 42 | 26cm/10.2inch | 24.5cm/9.6inch |
| 12 | 43 | 26.5cm/10.4inch |
25cm/9.8inch |
| 13 | 44 | 27cm/10.6inch |
25.5cm/10inch |
| 14 | 45 | 27.5cm/10.8inch |
26cm/10.2inch |