This pattern is available to purchase from Ravelry
By Pam Allen
22" [56 cm] brim circumference
Quince & Co. Puffin / Shown in Winesap 133 / 1 skein
16" circular in size US 13 [9 mm] / set dpns in size US 13 [9 mm]
12 sts and 16 rnds = 4" [10 cm] in stockinette stitch
Hat begins on a circular needle but is worked flat for the garter stitch section. Crown is worked in the rnd.
Long-tail cast on (link provided), increasing, decreasing, working in the round.