I designed a One Size Fits All Beanie so that I can give it to my friends without having them measure their heads. I also wanted to design a simple hat for the knitters who are graduating from making scarves and would like to knit a hat with straight needles. The invisible seam in the back in addition to invisible decrease lines on the top of the hat, gives this hat a professional look. Another design element, was incorporating the technique of changing the color of the yarn. This technique is artistic, and practical. You can make a beautiful project with left over yarn, while making a beautiful gift for your friends, and family. The simplicity of this pattern makes this hat a fast knit. A must have among all your other patterns. The pattern is written for 2 different weights of yarn.