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Zappos.com is proud to offer the Pearl Izumi - SyncroInfinity (Shadow Grey/Black) - Footwear: Running shoe built for the moderate over-pronator who requires a combination of cushioning and enhanced stability. ; Cushion and stabilize yourself to infinity and beyond! ; Seamless Upper Technology produces a one piece upper that is unmatched for its out of the box comfort. ; PURE Control patented 360 degree lacing supports are fed through the mesh upper to ensure your foot is centered over the midsole. ; High performance dual density EVA insole. ; Deep rearfoot channel slows overpronation. ; Injection molded EVA midsole provides cushioning and shock absorption. ; Receive excellent foot guidance and stability via the syncroFrame without compromising cushioning. ; High Rebound Skydex forefoot propulsion pad delivers unrivaled cushioning and rebound. ; Skydex Heel crash pad offers superior shock attenuation and long lasting durability. ; PI Carbon Rubber Outsole affords traction and long term wear. ; 10.00 oz. ; Product measurements were taken using size 9. Please note that measurements may vary by size.