Explorer Size Chart
We recommend 7 to 10 mm of additional space
| EU | Inner length | Inner width |
|---|---|---|
| EU 22 | 14.5 cm | 7.0 cm |
| EU 23 | 15.0 cm | 7.1 cm |
| EU 24 | 15.5 cm | 7.2 cm |
| EU 25 | 16.0 cm | 7.4 cm |
| EU 26 | 16.7 cm | 7.5 cm |
| EU 27 | 17.5 cm | 7.6 cm |
| EU 28 | 18.2 cm | 7.7 cm |
| EU 29 | 19.0 cm | 7.8 cm |
| EU 30 | 19.6 cm | 7.9 cm |
| EU 31 | 20.2 cm | 8.1 cm |
| EU 32 | 21.0 cm | 8.2 cm |
| EU 33 | 21.6 cm | 8.3 cm |