Pharrell Williams and longtime friend and collaborator Nigo are gearing up to auction off some of their ultimate grails.

Are the extremely rare Nike Air Mags worth the average person's yearly salary? Our heavy equipment is about to find out...

The left shoe, made for Fox in his role as Marty McFly, is part of the film's self-lacing Nike Air Mags A disintegrating Nike trainer worn by Michael J Fox in the Back to the Future sequel has ...