Size Guide GOR
| Age | GRO size | Height in cm |
| 0 months | 50 cm | 45 - 50 cm |
| 0-2 months | 56 cm | 51 - 56 cm |
| 2-3 months | 62 cm | 57 - 62 cm |
| 3-6 months | 68 cm | 63 - 68 cm |
| 6-9 months | 74 cm | 69 - 74 cm |
| 9-12 months | 80 cm | 75 - 80 cm |
| 12-18 months | 86 cm | 81 - 86 cm |
| 18-24 months | 92 cm | 87 - 92 cm |
| 2/ 3 years | 98 cm | 93 - 98 cm |
| 4/ 5 years | 104/ 110 cm | 99 -110 cm |
| 6/ 7 years | 116/ 122 cm | 111 - 122 cm |
| 8/ 9 years | 128/ 134 cm | 123 - 134 cm |
| 10/ 11 years | 140/ 146 cm | 135 - 146 cm |
| 12/ 13 years | 152/ 158 cm | 147 - 158 cm |
