When buying sneakers, you want a guarantee of comfort and style. Stella McCartney and adidas collaborate to present the Alphaedge 4D sneakers, with a lattice design that was developed using 17 years of athlete data and 3D printing. You can always rely on data. Featuring a sport sock style, a signature Primeknit upper, a round toe, a lace-up front fastening, a pull tab at the rear and 4D lattice sole. 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..