Michael J. Fox Unveils Nike's Marty McFly Sneakers Selling For Charity

Within a day of announcing the auction of 1500 pairs of Nike Air Mags, sneakers inspired by Marty McFly's self-lacing kicks from Back to the Future II, TMZ reports the first pair has sold for $37,500 at a live auction hosted by "Community" star Joel McHale. (Via Zap 2 It)

Check out Fox on last night's David Letterman where he brought out a pair and talked about the fundraiser: