This is my bobble Garter Stitch Trapper Slouch hat knitting pattern. Its knitted flat entirely in one piece in any dk yarn of your choice on 4 mm needles. The earflaps and brim are lined for extra warmth. The knitting pattern provides full instructions for 4 sizes, XS (baby), S (child), M (woman) & L (man) and there are also step by setp instructions with lots of photos to help you. You can buy this pattern here as an immediate pdf download for.