The Casey Hat is crocheted from the top-down, in one piece and is made with Medium Weight Yarn 4 and a 5.5 mm (I) crochet hook. Stitch tutorial is provided in my post. Finished Sizes This hat is designed between mid-ear and the base of the earlobe. Preemie height 4 inches X 10 inches circumference Newborn height 4.75 inches X 12 inches circumference 0-3 months height 5.25 inches X 14 inches circumference 3-6 months height 6 inches X 15 inches circumference 6-12 months height 6.5 inches X 16 inches circumference 12-24 months height 6.5 inches X 17 inches circumference Small Child Hat (age 3-5 years) height 7 inches X 18 inches circumference Child Hat (age 6-10 years) height 7.25 inches X 19 inches circumference Teen Hat height 8 inches X 20 inches circumference Adult Hat (Medium) height 8.5 inches X 21 inches circumference Adult Hat (Large) height 9.25 inches X 22 inches circumference"
Click here for the crochet pattern