Packed with temperature-regulating tech, these running shoes allow you to focus your energy on running faster and farther. Breathable mesh upper with seamless overlays for lightweight support. Comfort Temp sockliner and tongue lining help keep your feet dry and fresh. High-rebound Superfoam in the midsole supplies soft cushioning, while Ignite technology disperses impact for the most in energy return. Forefoot flex grooves and a deep guidance groove running from heel to toe in the outsole create smooth transitions and create a more natural running gait. Wt. 9.8 oz.