Mizuno Women's Wave Precision 11 Running Shoe 100% Mesh and synthetic Rubber sole Mizuno Wave technology combines cushioning and stability, two distinctly different elements that are both inherently necessary in a great running shoe Dynamotion Fit design technology relieves the stress the foot naturally places on footwear, eliminating distortion for the perfect fit SmoothRide engineering approach to minimize the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible