Burgundy Firebird track pants from adidas featuring a signature three stripe detail, an elasticated waistband, a regular length and a stretch fit. POSITIVELY CONSCIOUS: Adidas Group scores 4 out 5 by 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 use 100% recycled polyester by 2024. It traces and audits almost all of its supply chain to ensure good labour standards, and has committed to reduce carbon and water stress across it's whole supplier base.