Dynamic Fascia BandTM - It 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. * 3 Arrow Shoc-ZoneTM - Ideal for the first step into the transition journey. Good cushioning with a lower than average differential. * Synthetic Overlays - For additional support and a improved fit. * Lightweight Mesh Upper - Provides lightweight comfort, support and breathability.