When I was a kid, my Grandma made me a full ninja uniform complete with tabi boots. While I surely did look cool then, I can only imagine how I'd look now wearing these ninja-tastic sneaks from Asics.
These are actually made for astronauts. Yeah, you read correctly. Because standard sports shoes hurt in space—something about muscles and circulation—Asics designed a special pair that reduces strain. They're not available to us non-space ninjas, however.