Facebook was inundated with the Messy Bun Hat yesterday so I had to try my hand at creating one!
Here's my first attempt...
(Half double crochet version posted at top, scroll down for double crochet version of the pattern)
Find this pattern on Ravelry
NoGrinch's Messy Bun Hat Half Double Crochet Version
Worsted weight yarn. I used Red Heart Unforgettable, color: Winery approx 1/2 skein (I'm not sure if it's possible to get 2 hats from skein)