adidas announces a bold reimagining of its recently debuted premier running shoe, Ultra BOOST™, as seen by collaborators Stella McCartney, Kris Van Assche, kolor’s Junichi Abe, and adidas Creative Directors Dirk Schönberger & James Carnes. The first shoes from the Collective will be available for purchase in May 2015. Stay tuned to Sneaker Bar for further updates on the upcoming adidas Ultra Boost Collective.