"Innovation" is a word that's been so overused — in regards to everything, not just sneakers — that it's hard to even remember what it really means anymore. We won't bore you with the dictionary definition, but an innovation should be something so groundbreaking that you can't remember what the world was like without it. Over the course of sneaker history there have been plenty of them, some bigger than others. Check out 25 Sneaker Innovations We're Thankful For and let us know of others that you can't imagine living without.

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