Please note that measurements are guides only.
Measurements are in inches.
| Size | US size | UK Size | Eur size | Size (W) | Age |
| C4 | 4 | 3 | 19 | 4,75 | 12-18M |
| C5 | 5 | 4 | 20 | 4,9 | 12-18M |
| C6 | 6 | 5 | 22 | 5,3 | 18-24M |
| C7 | 7 | 6 | 23 | 5,5 | 18-24M |
| C8 | 8 | 7 | 24 | 5,9 | 2-3A |
| C9 | 9 | 8 | 25 | 6,3 | 3-4A |
| C10 | 10 | 9 | 27 | 6,7 | 4-5A |
| C11 | 11 | 10 | 28,5 | 6,9 | 5-6A |
| C12 | 12 | 11 | 30 | 7,2 | 6-7A |
| C13 | 13 | 12 | 31,5 | 7,7 | 6-7A |
| J1 | 1 | 13 | 32,5 | 7,9 | 7-8A |
| J2 | 2 | 1 | 33,5 | 8,2 | 7-8A |
| J3 | 3 | 2 | 35 | 8,65 | 8-9A |
*Reminder 1 inch = 2.54 centimetres*.
