UPPER: Breathable open cell mesh with synthetic overlays and TPU midfoot structure for extra protection Navic fit system delivers a natural midfoot lock down MIDSOLE: techlite single density foam midsole delivers a responsive underfoot cushioning experience while providing superior comfort and stability on the trail INSOLE: orthoLite insole is compromised of 17 percent of total content delivering enhanced breathability and lightweight long term cushioning. Colour: blue