Experience comfort in 4D in the adidas Ultra 4D. Designed to exceed expectations, these runners explore the untouched horizon of athletic technology with a 4D midsole that combines impact absorption and stability on all surfaces. The Primeknit upper delivers a secure fit and a cozy feel at all speeds. Made with a series of recycled materials and an upper that features at least 50% recycled content, the adidas Ultra 4D lets you conquer any distance with eco-friendly style. Primeknit upper offers support.