Marty McFly’s actual 2015 Nike Trainers from Back To The Future 2 will be be offered at Hollywood Memorabilia Auction 42 on November 6th and are expected to fetch between $12,000 and $15,000. The sales dsescription states:
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.
With the actual development of power laces seemingly inevitable, owning something like this would even be more interesting.