On Running Men's Cloudspike Amplius 2

Your long-distance track spikes. A perfect combination of cushioning and energy return for races up to 10,000m.

• Highly responsive Helion™ HF hyper foam midsole
• Massive energy return
• Lightweight one-piece upper
• Five spikes
• For long-distance track events
• Nylon-blend Speedboard® for midfoot stability
• World Athletics approved forefoot stack height below 20 mm
• Powered by Helion™ HF
• Weight: 135.4g