Miscellaneous yarns and mostly size 4.5mm needles.
Large: Cast on 72 sts. Do 2” in ribbing. Increase 8 sts to 80 sts total. Knit til hat is 5.5 - 6” Then decrease - k8, k2 tog around. Then K around, k7, k2tog around, knit around, etc.
Med: Cast on 68 sts. Do 2” in ribbing. Increase 4 sts to 72 sts. Knit til hat is about 5.5” tall. Decrease K7, K2tog around. Knit around. K6, K2Tog around. Knit around, etc.