Everyone in the world wants a bobble beanie so here is a very quick and easy pattern. This is my Simple Bobble Beanie hat knitting pattern. It can be knitted in any dk yarn of your choice on 4 mm needles. The knitting pattern provides full instructions for 4 sizes Xs, S, M & L so can be made for anyone from babies to adults with a head circumference between 16-24 inches.You even get step by step instructions with photos to make the pom pom.