Take on every kilometre with the lightweight comfort of the gel nimbus 19 now with an improved fit and extra ease 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 breakdownfeaturing asics revolutionary flytefoam technology this style is built for optimal comfort and a respons