This pattern shows that how this design of crochet. You can work this pattern using by yarn and hook. But according to differnt yarn and hook can change of pattern size.You can arrange pattern of size. So, if you crochet very loose, you may need to use a smaller hook, if you work tight, you may need to use a bigger hook. If you like, you can adjust by crocheting less rounds for a shorter hat, or more rounds for a longer hat.

It’s written in American terms. I took photos step by step. Easy following.. Enjoy! (not for beginner.)

Abbreviations:
ch = chain
sc = single crochet
fpdc= front post double crochet
dc= double crochet
slip stitch = sl st
st = stitch