This is my Swirl Bobble Beanie Hat knitting pattern. It can be knitted flat on 4 mm needles in any dk yarn of your choice.
The knitting pattern provides full written instructions for 4 sizes, XS (baby), S (child), M (woman) & L (man) and there are also instructions with step by step photos to help you make the pom pom.

You can buy this knitting pattern for £2.25 as an immediate pdf download.