Lotto - AZ-5 Turf (White Smoke/Mars Red) - Men's: The AZ-5 is meant for synthetic grass. Water-repellent Premium Plus upper. Nylon-mesh Air-Zone inserts for exceptional lightness and breathability. Removable anatomical insole with air vents. Thermoformed EVA midsole with breathable support. PUNTOFLEX allows for correct foot flexion and excellent rebound. ENERTURN disperses the negative forces of impact and returns the accumulated energy to the player. AirZone provides flexibility that is ideal for reaching a single goal: maximum comfort and foot well.