Marena Size Guide
| AGE | UK SHOE SIZE | EU SHOE SIZE | CENTIMETRES (approx.) |
| 2 years | 5.5 | 22 | 14cm |
| 2.5 years | 6 | 23 | 14.5cm |
| 3 years | 7 | 24 | 15cm |
| 3.5 years | 8 | 25 | 15.5cm |
| 4 years | 8.5 | 26 | 16cm |
| 4.5 years | 9 | 27 | 16.5cm |
| 5 years | 10 | 28 | 17cm |
| 5.5 years | 11 | 29 | 17.5cm |
| 6 years | 12 | 30 | 18cm |