Inspired by Reebok's '60s track and field archive, the R400 serves up sweet, fast-paced style. A low-profile silhouette is crafted in sleek nylon with suede overlays. Lightweight EVA cushions every step, wherever the day leads you. Inspired by Reebok's '60s track and field archive, the R400 serves up sweet, fast-paced style. A low-profile silhouette is crafted in sleek nylon with suede overlays. Lightweight EVA cushions every step, wherever the day leads you. Reebok is an American-inspired global brand with a deep fitness heritage and the mission to design and create the best gear and experiences for the sport of fitness and athletes around the globe.