From the pattern description:

Snuggle your chilly chin into a toasty twist of brioche stitch.

Finished measurements 18” (46 cm) circumference; 9” (23 cm) wide; 8” (20.5 cm) high

Materials

• 1 skein each of two colors
• size 10 ½ US (6.5 mm) 16”(40 cm) circular
• size 11 US (8 mm) straight for binding off
• stitch marker
• cable needle
• tapestry needle

Gauge: 10 sts = 4” (10 cm) in two-color brioche st