Wearing a beanie that sags so far down that it looks like there is shit in it.
Dude did you see that beanie it looks like a diaper yes that is what we call diaper head
Anyone who wears a flannel. Also a pretty large beard with gauges, and you may see the majority of hipsters at panera typing on a type writer.
Did you see those guys yesterday. They had flannels on and were using a type writer don't worry they're just hipsters.