Bubu Stay Wild My Child Hat 18241-WILD Keep your kiddos out of the shade with Bubu Trucker Hats! These are made of a soft foam front panel, ventalated netting in the back, and are fitted for toddleres between 18m-4yrs. ​​​​​​​ baby/small = 3/18m = 45cm toddler/medium = 18m to 4yrs = 49cm kid/large = 4yrs+ = 53cm Bubu Stay Wild My Child Hat