18. Nike Dunk High Pro SB "U.N.K.L.E."
You might not be aware who U.N.K.L.E. is (they haven't released an album since 2010), but we'll bet you recognize Futura. That's who designed these pink and black Dunks, and is a good part of the reason they're so desirable. It didn't help that they dropped right when SB fever was cresting, ensuring that they'd immediately sell out.