When a shoe sells out instantly at retail, the secondary market becomes the only option. To avoid the risk of counterfeits, specialized marketplaces have built their reputations on "middleman" authentication services.

: Operating like a "stock market for sneakers," StockX provides real-time data on market trends and pricing. It is a go-to for finding specific, sought-after pairs that are out of stock elsewhere, with a guarantee that products are unused and authentic.

For new releases at their original MSRP, the best starting point is always the source.