Rasta Hat knitting pattern

[mattykeelzyoo.livejournal.com]

Does anyone have a knitting pattern for a hat like this? I have NO idea what the style of hat is called, but even a pattern for an oversized/long beret or something would be cool. I've just been calling it a rasta hat or dread hat lol



Thank you!!

ps. the hat in the picture is made of hemp. not the material I'm working with :]