Packed with revolutionary lightweight FlyteFoam® cushioning and other advanced technology from the ASICS® Institute of Sports Science this new edition of the Nimbus line caters to neutral runners of all levels. Its gradient jacquard-mesh FluidFit® upper strategically adapts to your foots natural motion. Meanwhile 3D printed overlays offer extra support for a more customized fit that keeps you going mile after mile. Synthetic fiber upper for strength and natural flex. Synthetic leather midsole for strong cushioning. Rubber outsole for traction you can trust.