AIRmesh - Allows the foot to breathe and stay comfortable throughout your run. DynamotionFit System - Uses the latest motion capture and biomechanics technology to work with the foot throughout the gait cycle. No-Sew Synthetic Overlays - Adds durability and structural integrity to the upper. Padded Tongue, Heel And Collar - Provides superb cushioning. Mizuno Wave Technology - Provides the right amount of cushioning and stability.