ONs worked with athletes to Swiss-engineer the ultimate shoe for marathons and road races. It’s ultralight, but powerful. It’s agile enough to handle sharp turns, but without compromise to cushioning. It’s everything you need for your fastest marathon ever. This is the sound of unstoppable. Boom.
- Carbon-fibre infused Speedboard™
- Reinforced forefoot
- Moderate cushioning
- Fast marathons, road races between 10 – 42.2km, long-distance intervals
- 9mm heel-toe drop
- Weight – 225g