On Running Women's Cloudboom Max Running Shoes Unlock your marathon potential with the On Running Women's Cloudboom Max Running Shoes - the ultimate super shoe engineered for runners aiming to conquer the full 42.2 km. Designed with a double layer of Helion™ HF hyper foam, these elite-level running shoes deliver unrivalled cushioning, impact protection, and energy return to help you stay strong from the first mile to the finish line. Whether you’re aiming for a sub-four-hour marathon or simply want to feel more efficient and comfortable on race day, the Cloudboom Max helps you push harder, run longer, and recover faster. Crafted with a featherlight, breathable upper that moulds to your foot’s movement, and a glass fibre-infused Speedboard® for optimal propulsion and stability, these marathon shoes adapt to your stride and maximise running efficiency. The cushioned heel enhances comfort during landings, while the responsive forefoot provides support for powerful push-offs. Complete with a high-grip rubber outsole and designed specifically for road running, the On Running Women's Cloudboom Max is your go-to shoe for distance, comfort, and performance, making it a must-have in any serious runner’s kit.