It was an instant success when On Running released the Cloudmonster. This icon is now fine-tuned for a more comfy fit and more stable smoother ride. Seriously bouncy, seriously fun! Featuring a new dual-density helion foam construction, an explosive nylon-blend Speedboard, 92% recycled upper and a unique rocker shape, this shoe delivers a zero-gravity feel with a super-charged running experience. Expect a firm, responsive, stable ride and max cushioning brand’s biggest cloud elements.