NIKE LunarFly+ 3 Trail Running Shoes Synthetic ***NEW*** Stoneshield Protection - Provides protection against stones and debris from hitting your foot during agressive running. Arch support - This enhances a perfect fit giving you ultimate comfort during training. Fitsole sockliner - Designed to mould into the shape of the foot for a custom fit and support Dynamic Support Platform - Located in the midsole and it provides the exact amount of stability your foot needs. Lunarlon cushioning system - Made up of soft, yet resilient, foam core, encased in a supportive foam carrier giving you a plush, bouncy ride when running those miles.