Well you could try the pattern you have for the hat knit back and forth but knitting in the round isn't difficult and it's a very useful skill. There are several different ways to do it, double pointed needles, magic loop, 2 circular needles, for example. And when you finish, there's no seam to sew up. Here is one of the many patterns to look at:
and there's a video
on circular knitting on the Free Videos tab
Welcome to KH and enjoy knitting!