neutralCELL - for neutral running: Optimal cushioning and flexibility provides an efficient, smooth ride for the neutral runner. AirMesh on the upper - for optimised breathability. EVERFIT - Upper lockdown technology that secures the midfoot and/or heel without inhibiting the foot's natural movement. Protective TPU tip - Provides optimum lightweight protection on various terrains. Reflective welded overlays - Lightweight and minimal yet supportive and protective welds.