The adidas Response Cushion 17 running shoe is a must have for dynamic runners seeking the ultimate high tech cushioning. For the first time featuring the 2D ForMotion® unit which adapts to your heel strike. Air mesh upper adds maximum ventilation. adiPRENE®+ maintains forefoot propulsion and efficiency. ForMotion® offers motion control and ground adaptability. TORSION® SYSTEM offers midfoot integrity. adiWEAR® provides best durability in high wear areas. Blown rubber outsole delivers lightweight grip and cushion. Wt. 9.8 oz.