ONR Cloudboom Max - White/Black
| US Men | US Women | EU Size | Length (CM) |
|---|---|---|---|
| 4 | 5.5 | 36 | 22.5 |
| 4.5 | 6 | 36.5 | 23 |
| 5.5 | 7 | 38 | 24 |
| 6 | 7.5 | 39 | 24.5 |
| 7 | 8.5 | 40 | 25 |
| 8 | 9 | 41 | 26 |
| 8.5 | 10 | 42 | 26.5 |
| 9.5 | 10.5 | 43 | 27.5 |
| 10 | — | 44 | 28 |
| 11 | — | 45 | 29 |
| 12 | — | 46 | 30 |
The ONR Cloudboom Max represents the peak of marathon innovation, engineered to deliver a precise balance of cushioning, responsiveness, and stability. Designed for long-distance performance, it features dual-layer Helion™ HF hyper foam that provides soft landings with powerful rebound for sustained energy return throughout the run.
A glass fiber–infused Speedboard® enhances running economy and stability, while the optimized geometry supports a wide range of running styles. The lightweight, breathable upper adapts naturally to the foot, ensuring secure comfort over extended distances. Beneath, a durable rubber outsole offers reliable traction across varied road conditions.
Purpose-built for endurance, yet accessible to all levels of runners, the Cloudboom Max blends advanced technology, Swiss engineering, and exceptional comfort to empower every stride—from the first mile to the finish line.
