Each child is differentso we cannot guarantee that every Filou of the same age will wear the same size. But below you can find a general overview. We approximate the sizes according to age. Tip: at the beginning of the season, we recommend buying one size more than the child is currently wearing.

0 months = 50cm 
1 months = 56cm
3 months = 62cm
6 months= 68cm
9 months= 74cm