The Cloudboom Max from ON Running is a performance marvel for female marathon runners—with maximum cushioning for an energetic finish.

- Double layer of Helion HF Hyperfoam for energy return and soft landings
- Speedboard with fiberglass for efficiency and support
- Impact protection and high energy return
- Featherweight, breathable upper
- Heel cushioning for comfortable push-offs and landings over long distances
- Supportive upper adapts to your foot and movement pattern
- Rubber outsole for grip on asphalt