Norwegian Star Earflap Hat. I knit the smaller size, which turned out pretty huge for my little guy, so I just threw it in the wash and felted it and luckily it turned out about right. I took the photos before I sewed a pom-pom on top, which I like to pretend is Maxi's favorite part. I think I'm going to make another one soon for Karl. The man can't have too many hats, working outside everyday, right?
Here it is on my project page.