This is my Simple Bobble Beanie CIRCULAR knitting pattern. It is knitted in the round on 4 mm circular needles in any dk yarn of your choice. The knitting pattern provides full instructions for 4 sizes Xs(baby), S (child) M (woman or teen) & L (man). The knitting pattern also provides full instructions to make the pom pom with photos to help you along the way. You can buy this knitting pattern here as an immediate pdf download.