A favorite for 20 years and counting. Gel-Cumulus celebrates its 20th anniversry with premium technology and a refined design that offers optimal support and comfort for runners of all levels. A FlyFoam midsole teams up with rearfoot and forefoot GEL cushioning for a smooth, lightweight ride that maintains full contact with the ground. Its jacquard mesh upper elevates the styling and forms to your foot for a fit that feels customized just for you.