The updated running shoes offer multiple levels of cushioning thanks to the combination of the fluidride 20 midsole flytefoam bottom layer midsole and speva top layer midsole together this cushioning increases bounce back characteristics while decreasing midsole breakdown featuring asicsrsquo revolutionary flytefoamtrade technology this style is built for optimal comfort and a responsive ride 3d printed overlays provide smooth support while a seamless finish reduces the potentia