Men's Cloudmonster 3 Hyper Black / Ivory non-sale Flasks Included - 2 x

Flasks Included - 2 x 500ml flasks

Superior Traction and Fit

Built for runners who need warmth at the start line without carrying extra weight through the finish

If you're running shorter trail sessions—typically under two hours—where carrying a full 500ml flask feels excessive

or appreciate data-driven insights for improving performance

Men's Cloudmonster 3 Hyper Black / Ivory non-sale Flasks Included - 2 xOn Cloudmonster 3 Hyper Super Trainer for Long Miles and Fast Tempos The Cloudmonster 3 Hyper is On's super trainer built specifically for long runs and tempo efforts. Featuring a dual layer midsole construction with Helion HF hyper foam on top and Helion foam beneath, this is a plateless design engineered to keep legs fresh across multi hour efforts whilst delivering the energy return needed when the pace increases. Dual Layer Helion Foam