"(Universal, 1989) This custom made Nike shoe was worn by Michael J. Fox as “Marty McFly” in Back to the Future II. When Doc Brown and Marty arrive in the year 2015, Doc asks Marty to put on clothes similar to Marty Jr. To help him pass for a contemporary teenager, Doc Brown gives Marty the latest in high-tech outerwear. The first thing he puts on is the self-lacing future Nikes. This particular shoe was specifically made for walking around. Original future Nike 2015 self-lacing shoes are extremely rare and one of the most sought-after props from one of the most iconic Sci-Fi movies ever made."
The Nike Air Mag is currently valued at $12,000-$15,000 as per the auction.