While customizable kicks have long been an option online with Nike, the NIKEiD setup at 21 Mercer in New York City brings an unparalleled level of customization that runs much deeper than anything available via the internet. At the 21 Mercer Studio customers can sit down with an in-house designer and go step by step through the design process, ultimately arriving at a truly unique pair of sneakers. Here we have an in depth look at the new options available on the Air Max 90, a classic runner that you can now update with your own infinite personal touches. Some recent changes to the program include the reintroduction of the set of ACG inspired materials, and the personal iD is now located on the Air Max badge found on the heel. Continue reading to have a look at the full video of the new Air Max 90 options available at 21 Mercer.