The Dynamic Fascia BandTM is imbedded in between the midsole and outsole for maximum efficiency and power transfer with each stride. * Sticky Rubber Outsole - ensure you have fantastic grip and traction on all surfaces * The 2 Arrow Shoc-ZoneTM offers scintillating performance as a race day shoe for club runners, whilst also providing sufficient under foot protection for the elite to use regularly. * Weight: 255g