Mizuno Women's Wave Creation 13 Running/Training Shoes Synthetic/Mesh Synthetic and mesh upper. Dynamotion Fit: Reduces lateral stress for optimal fit. SmoothRide: Engineered approach to minimize the rapid acceleration and deceleration of the foot during transition. AP +: Increased rebound and a "bouncier" feeling, extending the cushion durability, while maintaining the light weight performance. Rubber sole.