So Simple Beanie has literally very simple design.
This timeless beanie pattern is charted and also includes written instructions :)

▶ Yarn
SANDNES GARN PetiteKnit DOUBLE SUNDAY (Almond 2511) 80g

▶ Materials
4.5 mm (US 7) Circular Needles, 5 marker pins, Tapestry needle, scissors

▶ Gauge
26 sts and 32 rows = 4” (10cm) in 1 x 1 ribbing stitch.
If you get too many stitches on 4”, change to a larger needle size. If you get too few stitches on 4”, change to a smaller needle size.

▶ Size
If your head circumference is about 21 1/4” - 22”, size M is recommended, and if it is 22” - 22 3/4”, size L is recommended. But it’s just a recommendation. You can choose the size according to your favor :)