INOV-8 Road-X 233 Barefoot Running Shoes The Dynamic Fascia Band 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-Zone 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: 233g