Beginner

Hat is worked in one piece in the round on 8mm (set of 5) double pointed knitting needles.
If you prefer, you can work the hat on a 16 in. (40.5 cm) long
circular needle, then change to double pointed needles to work the last
round.

Lion Brand® Wool-Ease® Thick & Quick®
(Art. #640)
? 610 Hudson Bay 1 ball

9 stitches = about 4 in. (10 cm) over Stockinette stitch worked in the round (knit
every round).
BE SURE TO CHECK YOUR GAUGE.

Also here: https://www.lionbrand.com/products/simple-hat-l70300