UPPER: Midfoot dynamic webbing between mono-mesh panels on both the medial and lateral to provide adjusted fit system to allow better foot lock down. MIDSOLE: Lunarlon cushioning system features a soft, yet resilient ride. Dynamic Support platform provides comfortable stability. OUTSOLE: Environmentally preferred rubber Waffle outsole with BRS 1000 give great traction. Deep flex grooves cut out providing flexibility and lightweightNike