Women's racing-inspired shoes with a trendy look and superior comfort MIXED-MATERIAL UPPER: Nylon and suede offer durability and support CAN'T STOP. WON'T STOP: The incredible energy return of adidas BOOST is created by fusing together energy capsules, giving you the power to keep your feet moving RUBBER OUTSOLE: The rubber outsole provides outstanding grip and a sleek, low-profile look. Color: black