Jordan Brand doesn’t do many collabs, so when they do it’s usually pretty notable. But somehow the Undertow x grey jordan collabs slipped through the cracks a bit, as they were very limited and only released through a charity auction. If you didn’t know they existed, now you do. And if you knew they existed and you’ve been fiending to acquire them, now is your chance to own both rare Jordans. Beginning with in 2010, the Portland design group teamed up with grey jordan Brand for a special edition of the Air grey jordan 2010 sold at auction with all proceeds going charity. The two teamed up again in 2012 for a special edition of the Super.Fly. Now the entire collection can be yours, up for grabs via nike air grey jordan 12 retro low orange.