I made a sweater with this same idea and had leftover yarn. So i designed this hat to use up that extra yarn. This is the first hat pattern I wrote myself. This hat has three separate layers that surround the head and ears with extra warmth while a lacy top allows for more air flow. A worsted wt yarn suggested for the adult and sport wt for the child. BASIC SKILLS NECESSARY knit purl mb: (make bobble) sl1, K2tog, passo yo knit in the round k2tog GAUGE 5(6) sts and 7.5(9) rows per inch in stockinette stitch. Childs is in ( ). a Adult (21") and child (16.5") approximate.