Saucony's long-running motion control shoe, now with increased flexibility and an improved, supportive upper resulting in a great fitting, lightweight shoe which offers maximum pronation control. Upper Technologies:Archlock for a supportive fit. Midsole Technologies:EVA midsole for responsive cushioning. Rearfoot Grid for Stable Cushioning. Forefoot HRC for dynamic toe-off. HRC Strobel Board for foot-in comfort. Dual density for pronation control. Midfoot Bridge for support. Outsole Technologies:XT900 rubber compound heelstrike. XT900 rubber compound rearfootb/c. R rubber compound forefoot