The January launch of Ultra BOOST revolutionized running as the greatest running shoe ever which features a host of performance innovations–including a full length BOOST™ foam cushioning sole designed to provide enhanced energy return and comfort with each step. Ultra BOOST marries its cutting-edge running collection of technologies with an aesthetic that is equally superior, resulting in a shoe that looks as good as it plays. Given this perfect intersection of high performance and sophisticated style, adidas felt Ultra BOOST would be an ideal silhouette to be interpreted and celebrated through a series of special editions, some of which were