I have always enjoyed wearing a crochet hat because one it never goes out of style and second it's a quick way to go throughout your day without having to mess with your hair! I'm usually on the look out for some beautiful and unique hats. Her's a couple of hats I purchased from Da Knitter herself. Her crochet hats are really reasonable and she gets them to you quickly. I received mine in 2 days! Here's the link
http://stores.ebay.com/Nildas-Knick-Knacks