Adidas By Stella McCartney - Adidas by Stella McCartney's ice-grey crop top is made from moisture-absorbing AEROREADY fabric that is suited for both running and swimming. It’s crafted using recycled elements for a sustainable approach, then finished with a crew neckline, a racerback with cutouts and mesh panelling and front zip fastening. Pair with the coordinating bikini briefs during pool workouts.