Responds to the needs of your foot. For off the beaten path training. Responsive ForMotion design, impact absorbent adiPrene cushioning and Torsion midfoot support. UPPER Water resistant mesh with thin rubber overlays.Compression molded EVA midsole. Torsion runs along the bottom of the midfoot to let the forefoot and heel to move independently for increased stability.OUTSOLE Durable adiWear carbon rubber outsole with Traxion.