Core black/white Ultraboost 21 low-top sneakers from adidas featuring signature three-stripe logo, round toe, front lace-up fastening, branded insole and 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..