This lovely tam comes with knitting instructions for three different yarn choices and embellishments. Cotton for Spring, Wool/Alpaca for Winter and Superwash wool for Fall or Winter. It's inspiration comes from the beauty of the spiral. The spiral pattern of this hat naturally appears as you knit. It''s amazing how many spirals you'll see once you start to look around you while you knit this little beauty! GAUGE 25 stitches and 30 rows equals a 4" square.