Black Trefoil-logo track pants from adidas featuring signature trefoil logo detail, side stripe detailing, elasticated waistband and two side slit pockets. POSITIVELY CONSCIOUS: adidas Group scores 4 out of 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..