Designed for the ultimate comfortable fit, the GEL-NIMBUS 19 from ASICS helps runners crush long distance challenges. The Fluid fit upper with gradient mesh is layered to adapt to the shape of the foot, expanding and contracting throughout exercise. The shoes are built with a FluidRide 2.0 midsole that combines two layers: a FlyteFoam bottom and an SpEVA top for durable cushioning and bounce back potential, pushing runners further. A visible rear foot gel system is positioned close to the foot for a smooth, soft step.