Mizuno Women's Wave Ascend 5 Trail Running Shoe 100% Mesh and synthetic Rubber sole Smooth Ride Engineering approach to minimize the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible Includes Mizuno Wave, the leading footwear technology that combines cushioning and stability AP Midsole Engineering minimizes the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible Dynamotion Fit Design technology relieves the stress the foot naturally places on footwear - eliminating distortion for the perfect fit Features X10, the most durable carbon rubber that allows for longer wear in high impact areas and supplements traction at heel strike