Removable In Sole Designed for a lightweight ride, the ASICS Men's Gel Kayano 25 Running Shoes guarantees high level comfort and stability. FLYTEFOAM® technology employs organic super fibers that resist compression, providing enduring bounce on even the longest runs. The springy FLUIDRIDE® midsole cushions the foot and reinforces its natural line of movement, working together with the signature GEL® technology to minimize impact and protect your joints.