Yellow Ninja ZX 2K Boost Jr trainers from adidas featuring logo patch at the tongue, signature three-stripe logo, branded insole, round toe, front lace-up fastening and flat rubber sole. 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.