Mizuno Women's Wave Ronin 3 Running Shoe 100% 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 G3 Sole - Outsole Provides superior grip with less wight G3 - DR provides added durability in key contact points SmoothRide - Engineering approach to minimize the rapid acceleration and deceleration of the foot during transition, creating the smoothest ride possible