Mizuno Men's Wave Renegade 4 Running Shoe Synthetic and mesh Rubber sole SmoothRide Engineered to minimize the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible Full-length Double Fan Wave that proactively controls overpronation in a balanced manner Sensor Point suspension system which connects the Wave plate to the ground, thereby enhancing stability and traction AP midsole functions as a lightweight, responsive, yet durable cushioning copolymer Mizuno intercool - Full-length midsole ventilation system reduces heat and humidity build-up inside the shoe