Adidas By Stella McCartney - For a sustainable approach to athleisure with a modern-vintage aesthetic, consider this burgundy and pink Adidas by Stella McCartney track top. It’s crafted from a recycled polyester-blend and features contrasting sleeves, a ribbed-jersey high neck and a rear zip for a touch of Stella McCartney sophistication. Wrap up after your next workout by styling it with the coordinating track pants.