Maximum Cushioning. Monster Energy. Unstoppable Ride.

Push your limits with the Cloudmonster Alloy, a high-performance running shoe built for max cushioning, explosive bounce, and a smooth, rolling ride. Designed with ON RUNNING’s signature Helion™ superfoam, it absorbs impact while delivering unmatched energy return. The Snappy Speedboard® propels you forward with every stride, while the unique rocker shape ensures effortless momentum.

Made with recycled materials, the lightweight upper and soft sockliner provide supreme comfort, while its durable, temperature-resistant construction ensures peak performance in all conditions. Whether you're training or hitting the streets, the Cloudmonster Alloy turns every run into an exhilarating experience.

Key Features

• Max Cushioning & Bounce – Soft landings with an energetic push-off
• Snappy Speedboard® – Converts impact into explosive forward motion
• Helion™ Superfoam – High-performance cushioning that absorbs shock
• Rocker Shape – Designed for smooth, effortless momentum
• Ultra-Lightweight (275g) – Durable yet featherlight for all-day wear
• Sustainable Materials – Upper made from 100% recycled polyester

For runners who crave big energy, bold cushioning, and a ride that never stops.