The momentum continues. Building on the success of the original DynaFlyte model, our speed-fueling update is ready to jet. ASICS DynaFlyte 2 model presses repeat on full-length FlyteFoam midsole technology and adds "wings" in the form of a new Adapt mesh upper, for increased breathability, decreased overall weight and reduced chance of blisters. DynaFlyte 2 model is here to give you superb, responsive cushioning with a lightness you might never have thought possible. Our Flytefoam Technology Provides Exceptional Bounce Back And Responsiveness No Matter The Distance, Utilizing Organic Super Fibers To Help Reduce Packing Out That Traditionally Happens With Softer, Low Density Foams. Independently placed eyelets disperse lace tension, creating a customized fitting environment and enhanced upper comfort. A Sockliner Which Can Be Removed To Accommodate A Medical Orthotic. The Use Of Seamless Materials Reduces The Potential For Irritation And Friction Caused By Traditional Stitches And Seams. Attenuates shock during impact phase and allows for a smooth transition to midstance.