Asics Gel-Kayano 22 running shoes in a purple and pink The GEL-Kayano 22 is a performance stability shoe featuring several of ASICS' signature technologies: FluidFit Upper: Combines multi-directional stretch mesh with reinforcements that adapt to the wearer's foot for a glove-like fit. Impact Guidance System (I.G.S): Designed to enhance the foot's natural gait from heel strike to toe-off. FluidRide Midsole: Provides a combination of bounce back and cushioning properties with reduced weight and exceptional durability. GEL Cushioning: Features both rearfoot and forefoot GEL systems to attenuate shock during impact and toe-off phases.