FlyteFoam cushioning provides active bounce and energy return EVA sockliner that moulds to the shape of your feet for added comfort Gender-specific 3D space construction enhances compression and fit ASICS LITE Rubber outsole improves durability The GEL-CUMULUS™ 23 running shoe is a recommended choice for neutral runners who want a soft, flexible everyday trainer with a great fit. Continuing to draw inspiration from cumulus clouds, the mesh upper continues to add strategic support in targeted areas, while the new 3D Space Construction promotes a smoother ride and improves shock absorption. Softer GEL™ technology under the heel improves cushioning, while the FLYTEFOAM™ midsole material helps create a smoother and more supportive ride.