Yesterday I finished knitting a hat my cousin had asked for. I made a very warm, double-knit hat with cables on the brim. It was designed by Dove knits (pattern here). It’s very clever, first you knit one hat, then you pick up stitches along the cat-on edge and make a second hat attached to it, like this:
The inner hats starts with a couple of cable rows that become visible as the brim is folded outwards. The result is a rather large and heavy, but very warm hat. The yarn I used is Garnstudio drops Alaska, 100% wool.