This pattern is available on Ravelry . by Kate Atherley Designed by Kate Atherley, the Warm and Easy Hat is an ideal project for beginners to practice their knit stitches and working in the round. Sizes The hat comes in 6 sizes, to fit babies and large adults. With 6 sizes this hat is worn with 0-5 cm (0-2 in) of negative ease. Yarn 1 (1, 1, 1, 1, 2) balls of &Make Super Bulky (100% Highland wool, 80 m (87 yd) per 100 g ball)