17½" [44.5 cm] brim circumference
chickadee / winesap 133 / 1 skein
16" circular in size US 4 and US 5 [3.5 and 3.75 mm] / set of dpns in size US 5 [3.75 mm]
23 sts and 34 rnds = 4" [10 cm] with larger needles in stockinette stitch
Beret is knitted in the round from brim to crown.
Long-tail cast on (link provided), increasing, decreasing, working in the round.