ON Cloudboom Max
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The Cloudboom Max is On’s most explosive long-distance racing shoe to date. A super shoe made for marathon runners of all levels who demand propulsion, comfort, and efficiency at marathon pace. Featuring a double layer of Helion™ HF hyperfoam, a full-length carbon Speedboard®, and a rocker shape tuned for forward momentum, this high-stack silhouette delivers race-day speed without sacrificing cushioning. Built for your fastest finish.
Description
Key Features
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Double-layer Helion™ HF hyperfoam midsole for lightweight, max-energy return. Combined with a cushioned heel, landings and push-offs feel energized and comfortable
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Carbon-infused Speedboard® delivers powerful propulsion with each stride. The glass fiber-infused Speedboard® enhances efficiency and confidence. It's geometry is engineered to support all types of running styles.
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Aggressive rocker geometry promotes smooth, rolling transitions
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Engineered mesh upper offers breathable, race-ready lockdown. It cleverly molds and adjusts to your foot's movements over long distances and time. Feels like nothing, so you can focus on the race.
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Rubber outsole reinforcements in high-abrasion zones for grip and durability
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High-stack platform ensures long-distance comfort with speed
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Designed specifically for marathons and long-distance racing. This elite-level super shoe features re-engineered components and geometries that provide marathon runners of all levels with soft, responsive cushioning, absorbing impact, maximizing efficiency, and boosting confidence to reach their goals.
- Ideal for everyday runners with marathon target times of about four hours or more.
Specifications
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Weight: Approx. 8.5 oz (Men’s US 9) / 7.0 oz (Women’s US 8)
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Heel-to-Toe Drop: 8mm
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Support Type: Neutral
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Cushion Level: Responsive, max-stack race cushioning
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Best For: Marathon racing, tempo runs, competitive road races
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Ride Feel: Snappy, energetic, and efficient
Materials
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Upper: Engineered mesh made from recycled polyester (lightweight & breathable)
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Midsole: Dual-density Helion™ HF foam with carbon-infused Speedboard®
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Outsole: Durable rubber in high-impact zones for traction and stability
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Sustainability: Contains recycled content in the upper materials
































