A high-mileage trainer built for the neutral to underpronator who requires maximum cushioning. Lightweight textile upper boasts minimal synthetic overlays. Dynamotion Fit upper envelops the entire foot for secure comfort that outlasts even the longest run. Plush tongue and collar. Soft fabric lining for a great in-shoe feel. Removable, molded foam insole. Infinity Wave® in the heel is fine tuned to provide an ideal blend of cushioning and support in a neutral shoe. U4ic midsole provides exceptional shock attenuation, resilience, durability and a smooth ride, while weighing 30% less than AP+ midsole material. X10â"¢ carbon rubber compound provides supreme traction at heel strike and delivers maximum durability along high-impact zones. SmoothRide technology is designed to minimize the rapid acceleration and deceleration of the foot during the gait cycle, promoting a buttery soft ride. Imported.