To find the right size for your child, select the size based on your child's measurements and age. For example, size 3-4 Y is suitable for children aged between 3-4 years.
| Age | 1-2 Y | 3-4 Y | 5-6 Y | 7-8 Y | 9-10 Y |
| Head Circumference cm | 49-50.5 | 51-52 | 52.5-53.5 | 53.5-54.5 | 54.5-56 |
