A smooth, comfortable ride that's 20 years in the making. Packed with our revolutionary lightweight FlyteFoam? cushioning and other advanced technology from the ASICS? Institute of Sports Science, the Nimbus caters to neutral runners of all levels. Its gradient jacquard-mesh FluidFit? upper strategically adapts to your foot's natural motion while 3-D printed overlays offer extra support to give you a more customized fit that keeps you going mile after mile. Weight: 8.8. Heel Height: 25mm. Forefoot Height: 12mm.