3 dc with J hook = 1”
Height isn’t important because you can just add on rounds
More yardage will be needed to make a longer hat.
Hook sizes were recently changed/updated - Please get Gauge!
fantasiedinephtys has translated this pattern to italian: http://lefantasiedinephtys.altervista.org/cappello-scalda...
She has also created a cowl to match the hat! Pattern here: