3-tone engineered knit upper on the Nike Duel Racer for a dimensional look Quick lacing system TPU heel counter for a locked-down fit Dual-density unit sole Thin rubber outsole for traction and added flexibility The Nike Duel Racer is imported Nike's going way back into the archives with the Men's Nike Duel Racer Casual Shoes. This track icon has been modernized with a sleek new silhouette and plush technology for all-day comfort 200505