Meet the monster that doesn't mess around-your updated Men's On Cloudmonster 3 running shoe is back and bolder than ever. With a triple layer of CloudTec® underfoot and a high-propulsion Speedboard® built in, this beast serves up max cushioning and snappy energy return without the bulk. New geometry in the bottom unit rolls you forward effortlessly, while the Helion™ foam midsole keeps every stride feeling plush and powerful. A reworked mesh upper on your Cloudmonster 3 gives you a dialed-in, breathable fit whether you're chasing a PR or cruising recovery miles.