One of the lightest running shoes in its class, the adidas adiZero Tempo gives you everything you need, nothing you don't. Air mesh upper provides maximum ventilation. Full forefoot adiPRENE+ aids forefoot propulsion and efficiency. TORSION SYSTEM adds midfoot integrity. Pro-moderator medial support device helps prevent overpronation. ForMotion offers enhanced transition and responsiveness. Blown-rubber outsole gives lightweight grip and cushion. Wt. 8.5 oz.