pattern is written for worsted, bulky and super bulky
gauge for bulky: 28 sts and 28 rows = 4” in 2x2 ribbing
gauge for super bulky: 22 sts and 24 rows= 4” 2x2 ribbing

Authors Note for subbing yarn:

gauge for worsted: 18-20 sts= 4” in Stockinette
gauge for bulky: 14-16 sts= 4” in Stockinette
gauge for super bulky: 10-12 sts= 4” in Stockinette