Color: Core White/Core White/Solar Red Sole Material:Rubber Outer Material:Rubber About this item Women's high-performance running shoes with a smooth, flexible ride LEP: The Linear Energy Push system, integrated with the outsole, increases forefoot and midfoot stability for more responsiveness than ever before 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 STRETCHWEB WITH CONTINENTAL RUBBER OUTSOLE: Stretchweb outsole flexes naturally for an energized ride, and Continental Rubber