ON Cloudspike Amplius 2

Key Features

• Carbon-infused Speedboard® delivers rigid propulsion with explosive energy return

• Helion™ HF superfoam midsole is ultralight and responsive for peak turnover

• Aggressive forefoot rocker promotes rapid transitions and midfoot drive

• Low-profile spike plate with 5 removable spikes for maximum traction

• Lightweight engineered mesh upper offers locked-in breathability

• Designed in collaboration with elite athletes for real-world speed optimization

Specifications

• Weight: Approx. 4.4 oz (Men’s size 9)

• Heel-to-Toe Drop: 4mm

• Support Type: Neutral

• Cushioning: Race-tuned, firm and responsive

• Spike Plate: 5-pin configuration (removable)

• Best For: 1500m–5000m track races

• Ride Feel: Aggressive, fast, ultra-efficient

Materials

• Upper: Ultralight engineered mesh with internal reinforcement

• Midsole: Helion™ HF superfoam with carbon Speedboard®

• Outsole: Track spike plate with durable rubber traction zones

• Sustainability: Recycled content used in upper construction