Overview
A simple cable hat with a folded brim and a bit of ribbing for a flexible fit.

I used 66 grams of yarn to knit this hat

Specifics

Yarn:
DK weight yarn
I used Jorstad Creek yarn Company in their Chelan base
Or yarn yielding a similar gauge (ex. light worsted, fingering + mohair/suri)

Needles:
US 5/3.75 mm, gauge needle 16 inch circulars and preferred method for knitting on small circumferences
I used 32 inch/81.2 needles for magic loop

Gauge:
This is a DK or light worsted weight project
11 sts by 15 sts in 2 inches/5 cm with gauge needles, unblocked, in stockinette

One size
Size 1 is 105 sts (16 inches/40cm unstretched circumference, unblocked)
Due to the stretchiness of the ribbing, the one size can accommodate many heads sizes
Sample size is worn for 21.5 inch/54.6 cm head circumference*