These are the 15 most expensive sneakers in the world, which sell for up to $20,000 per pair

Sneakers have some of the most passionate collectors, and a vibrant $1+ billion resale market.

That market is so good that when Cleveland Cavaliers owner Dan Gilbert wanted to create a stock market for physical goods, he chose sneakers as a starting point. The result is StockX, which Gilbert cofounded with CEO Josh Luber.

The Detroit-based startup tries to bring stock-market style pricing to sneakers. (You can read our full profile of StockX here).

But one thing we were really curious about was simply which sneakers fetched the highest prices, on average. So we asked StockX. The startup provided Business Insider with a list of the 15 sneakers with the highest average sale price on StockX. They range from Yeezys to "Back to the Future" replicas to Jordans.

Here they are: