After a 27 year wait, the self-lacing Nike Mag becomes a reality. Originally developed for Michael J. Fox's "Marty McFly" character in Back to the Future II, the sneaker features a jetstream, white, and pale blue colorway with led light accents and a self-lacing upper. The 89 total pairs of the sneaker will be made available through The Draw on Nike+ in exchange for donations that will go to benefit the Michael J. Fox Foundation. The sneaker will be available from Oct. 4 to Oct. 11. Winners will be notified on Oct. 17.