If it is true — at times, anyway — that, when it comes to sneaker design, form follows function, then function occasionally leads form to some very strange places. Understand that we're not talking about intentionally outrageous design (hi, Jeremy Scott) here, but performance shoes that either had features that required unorthodox solutions or were just so far ahead of their time that we're still catching up now. Check out The 20 Most Outrageous Sneaker Designs and let us know which were your favorites.

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