The Z580 Men’s Athletic Runner provides the supportive cushioning that medium and high arch feet need during high impact running activities. The highly breathable Aeromax™ mesh upper keeps the foot healthy and dry while the Sky™ midsole provides soft, long lasting cushioning. The Web Suspension Footbridge provides additional reinforcement to ensure the foot is properly supported. The lightweight, removable Aetrex orthotics and Mozaic™ Pressure Relief insoles provide optimum comfort and shock attenuation while running.