This hat is made with a textured stitch and a strip. It is designed to be worn with the top dented and the brim curled up.
The pattern was made with 2 strands of wool 100% light worsted weight yarn with 5mm crochet hook. That gives great hardness to keep the hat shape. Also, it stretches to fit your head.

Size M, L
Head Circumference ( 53-55cm, 56-58cm)

US terms

Documents include 7 pages of written pattern with some pictures.

Materials
5.0mm (US H/8) crochet hook
light worsted yarn approximately all color together 480-510 meter

Gauge
14 sts / 16 rows square in single crochet
10 cm x 10 cm