| IT (cm) | EU (cm) | FR | UK |
| 44 | 44 | PRE | PRE |
| 50 | 50 | NB | NB |
| 56 | 56 | 0-1M | 0-1M |
| 62 | 62 | 1-3M | 1-3M |
| 68 | 68 | 6M | 6M |
| 74 | 74 | 9M | 9M |
| 80 | 80 | 12M | 12M |
| 86 | 86 | 18M | 18M |
| 92 | 92 | 24M | 24M |
| 98 | 98 | 3A | 3A |
| 104 | 104 | 4A | 4A |
| 110 | 110 | 5A | 5A |
| 116 | 116 | 6A | 6A |
| 122 | 122 | 7A | 7A |
| 128 | 128 | 8A | 8A |
| 134 | 134 | 9A | 9A |
| 140 | 140 | 10A | 10A |
| 146 | 146 | 11A | 11A |
| 152 | 152 | 12A | 12A |
| 158 | 158 | 13A | 13A |
| 164 | 164 | 14A | 14A |
| 170 | 170 | 15A | 15A |
| 176 | 176 | 16A | 16A |
