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Product details
Key features Weight: 296g
Double layer of Helion™ HF hyper foam for energy and comfort
Glass fiber-infused Speedboard® for efficiency and support
Impact protection and high energy return
Ultralight and breathable upper
Heel cushioning for secure comfort over long distances
Supportive upper molds and adjusts to your foot's movements
Rubber outsole for grip on the road
Engineered for finishing times of around four hours or more
Product details
- Official colorway: White/Black
- Brand: On Running
- Collection: Cloudboom Max
- Style code: 3MF30310462
- Upper construction: Recycled polyester, TPU
- Technology: CloudTec, Helion HF hyper foam, Speedboard
Highlights
- Dual-Density Helion HF Foam Midsole Two distinct foam layers work together to keep you moving efficiently. The top layer uses Helion HF Pebax for soft, responsive cushioning right under your foot, while the bottom layer features Helion HF TPEE for stability and durability. This dual-density setup absorbs impact on heel strikes and delivers energized push-offs, giving you that perfect balance of comfort and propulsion through every mile of your race.
- Glass Fiber-Infused Speedboard Technology Instead of a stiff carbon plate that only works for elite runners, On uses a polyamide plate with 8% glass fiber content. This creates a more flexible platform that's specifically tuned for heel strikers and everyday running styles. The board enhances efficiency and confidence without feeling overly rigid, making it ideal for maintaining comfort during those grueling 4-5 hour marathon efforts when form starts breaking down.
- Ultralight Adaptive Mesh Upper The breathable mesh construction intelligently molds and adjusts to your foot's natural movements over extended distances. Unlike narrow race-day uppers that feel restrictive, this one offers plenty of width and volume while still providing a secure, locked-in fit. The adaptive design means it continues feeling comfortable even as your feet swell during those final marathon miles, with gentle hugging that doesn't create pressure points.
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