On Cloudmonster Hyper – Silver/Iron Maximum Energy. Minimal Weight. Pure Speed. The On Cloudmonster Hyper takes road running to a whole new level, delivering an ultra-responsive ride with explosive energy return. Designed for runners who crave speed and efficiency, this shoe features Helion™ HF hyper foam, providing a propulsive toe-off with every stride. Its monster-level CloudTec® cushioning ensures a smooth yet dynamic feel, absorbing impact without sacrificing power. The ultra-light Speedboard® works in sync with your foot to drive you forward, while the sleek upper construction delivers a secure and breathable fit. Whether you're chasing a PB or pushing the limits of your long runs, the Cloudmonster Hyper is built to help you unleash your potential. Key Features Weight: 265g Cushioning: Max cushioning meets Helion™ HF for maximum energy return Ride: Forward-rolling, agile, and fast Construction: Dual foam design to maximise cushioning levels Fit: High-grip laces woven with silicone keep you locked in Performance: Helion™ HF absorbs impact and delivers maximum rebound Breathability: A microfiber upper enhances airflow Energy Return: Helion™ HF foam + Speedboard® for next-level propulsion Best for: Road running, tempo runs, racing Athlete-Tested: Developed with professional athletes Materials Vamp: 100% Polyester Vamp Lining: 100% Recycled Polyester Collar Lining: 100% Recycled Polyester Fresh legs are fast legs What do you get if you combine extreme CloudTec® with Helion™ HF hyper foam? Maximum cushioning with a kick. A dual foam midsole maximises cushioning, while Helion™ HF in the forefoot absorbs impact for a rebound that will energise every stride. It's the same foam we use in our top racing models like Cloudboom Echo 3. Developed by athletes We deliberately removed the Speedboard® to encourage faster post-training recovery and to lessen the weight. The Helion™ HF hyper foam acts as a bounce board below your foot and propels you forward. For max energy return, max cushioning levels and hyper performance. Hyper details High-grip laces woven with silicone and reworked eyestays keep you locked in place – even during those powerful take-offs. Plus, a microfibre upper (made with recycled polyester) delivers breathability and seamlessly moulds around the foot to create a personalised fit. Go beyond. Go Hyper.