After creating a collection inspired by the Indian Holi festival, Pharrell Williams designed a series of adidas NMD Hu Trail sneakers based on Chinese culture. Each sneaker represents one of four natural elements. These grey X Pharrell Williams Solar HU PRD sneakers from adidas feature an almond toe, a lace-up front fastening, a pull tab at the rear, a flat rubber sole and a front logo patch. 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 its whole supplier base.