IL GUFO Baby sizes 1 - 24 month
| Approximate age | Child's height (cm) |
|---|---|
| 1 month | 48 cm |
| 3 month | 54 cm |
| 6 month | 60 cm |
| 9 month | 66 cm |
| 12 month | 72 cm |
| 18 month | 80 cm |
| 24 month | 86 cm |
IL GUFO Junior sizes 2 - 16 year
| Approximate age | Child's height (cm) |
|---|---|
| 2 year | 86 cm |
| 3 year | 94 cm |
| 4 year | 102 cm |
| 5 year | 108 cm |
| 6 year | 114 cm |
| 8 year | 126 cm |
| 10 year | 138 cm |
| 12 year | 149 cm |
| 14 year | 158 cm |
| 16 year | 170 cm |