With a sleek design, the Wave Catalyst from Mizuno lightweight running shoe will provide superior cushioning, responsiveness and support. SmoothRide midsole minimizes the rapid acceleration and deceleration of the foot during transition: Creates the smoothest ride possible. Breathable air mesh upper with minimal synthetic overlays for irritation-free wear. Dynamotion Fit™ upper moves with your foot to help eliminate stress points during your run. Blown rubber forefoot optimizes pressure distribution, durability and cushioning.