SOUZA! sizes 3 - 10 year
| Approximate age | Child's height |
| 3-4 year | 98-104 cm |
| 5-7 year | 110-122 cm |
| 8-10 year | 128-140 cm |
SOUZA! shoes sizes
EU  | UK  | USA  |
| 27 | 9 | 10 |
| 28 | 10 | 11 |
| 29 | 11 | 12 |
| 30 | 12 | 13 |
| 31 | 12.5 | 13.5 |
| 32 | 13 | 1 |
| 33 | 1 | 2 |
| 34 | 2 | 2.5 |
| 35 | 2.5 | 3 |
| 36 | 3 | 4 |
SOUZA! sizes 3 - 10 year
| Approximate age | Child's height |
| 3-4 year | 98-104 cm |
| 5-7 year | 110-122 cm |
| 8-10 year | 128-140 cm |
SOUZA! shoes sizes
| EU | UK | USA |
| 27 | 9 | 10 |
| 28 | 10 | 11 |
| 29 | 11 | 12 |
| 30 | 12 | 13 |
| 31 | 12.5 | 13.5 |
| 32 | 13 | 1 |
| 33 | 1 | 2 |
| 34 | 2 | 2.5 |
| 35 | 2.5 | 3 |
| 36 | 3 | 4 |