White Ultraboost 21 sneakers from adidas featuring signature cushioned Boost midsole, signature three-stripe logo, Primeknit design, padded ankle, sock-style ankle, embossed logo to the front, round toe, front lace-up fastening, logo patch at the tongue, branded insole, rubber sole 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..