Navy blue ribbed performance tank top from adidas by Stella McCartney featuring fine ribbed, contrast stitching, bow detailing, logo print to the front, logo print to the rear, V-neck, racerback and stretch design. POSITIVELY CONSCIOUS: adidas Group scores 4 out 5 with independent ethical brand rating agency Good On You. It uses eco-friendly materials in many products – 100% of its cotton is from sustainable sources and it's committed to using 100% recycled polyester by 2024. It traces and audits almost all of its supply chain to ensure good labour standards, and has committed to reducing carbon and water stress across its whole supplier base..