Mizuno Men's Wave Ascend 5 Trail Running Shoe 100% Air mesh and synthetic Rubber sole Mizuno Wave - The leading footwear technology that combines cushioning and stability, two distinctly different elements that are both inherently necessary in great running shoes Dynamotion Fit - Design Technology that relieves the stress the foot naturally places on footwear, eliminating distortion for the perfect fit Wet Traction - Trail-specific outsole rubber compound breaks through water, improving grip in all conditions SmoothRide - Engineering approach to minimize the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible