Intermediate: no charts, but worked flat

To fit head circumference 18 1⁄2 (21, 22 1⁄2) in/ 47 (53, 57) cm.

Additional gauge
30 sts and 30 rows to a 4 in/ 10 cm square in Twisted Rib pattern with US 3 (3.25mm) needles.
24 sts and 33 rows to a 4 in/ 10 cm square in Reverse Stockinette stitch with US 5 (3.75mm) needles.