Here is my Simple Stripe Bobble Beanie hat knitting pattern. Its knitted on 4 mm needles in any dk yarn of your choice.
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.There are also step by step instructions with photos to make the pom pom.
Everyone in the UK wants a stripe bobble hat right now, I even made one for the postman!!!!