The best of adidas running tech, now with a little extra. These women's Ultraboost 5X shoes will help you have your best run yet. TORSION SYSTEM: Support between the heel and forefoot for a stable ride MORE ENERGY: Light adidas BOOST is our lightest adidas BOOST ever with even more energy return CONTINENTAL RUBBER OUTSOLE: Continental Rubber outsole provides extraordinary traction in wet and dry conditions; Officially licensed Continental product