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. 
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</div><div><br></div><p>0 months = 50 cm<br>
1 months = 56 cm<br>
3 months = 62 cm<br>
6 months = 68 cm<br>
9 months = 74 cm<br>
12 months = 80 cm<br>
18 months = 86cm
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