The Holzig hat is a two in one pattern. there are instructions to crochet the hat in Scheepjes Cahlista or Scheepjes Chunky Monkey.

The hat measures 58cm diameter x 22cm in height with the brim turned back.

If using Chunky Monkey you will need 1 & 1/2 100g balls.
if using Cahlista you will need 3 x 50g balls