I don't know what it is...but I've been seeing a lot of these hats lately. I get that it's the trend for guys, but when I see them I have to buy, borrow and steal them! If for nothing else, but a single picture. My friends are starting to think I may have a problem. They point them out at stores and on people in crowds now! I guess there's worse problems to have then a hat obsession...right?!