Brand new with box. Price is firm. Since 2005, adidas by Stella McCartney has balanced athletic performance with attention to fabric, color and detail. The result is a carefully considered collection of functional yet feminine pieces. Power through high-intensity interval training workouts in the adidas by Stella McCartney CrazyTrain Shoes. BOUNCE™ offers stability and speed, and the sock-like adidas Primeknit upper provides added support.