I made this Chic Aran Headband to keep my ears warm. The pattern by Kinga Erdem is free on her blog at My Hobby Is Crochet! (Big cat ears not included. Bah-ha-ha.)
I would say this is an intermediate-level pattern because of a couple of techniques it utilizes: crossed stitches and yarn-over slip stitches. But once you get a feel for these techniques, the pattern itself is quite easy and intuitive.