Cloudboom Echo 3
Cloudboom Echo 3 is a lightweight marathon and road-racing shoe shaped by elite-athlete feedback. It pairs CloudTec with Helion HF hyperfoam made with 46% bio-based material, while a rocker-shaped full-carbon Speedboard balances impact protection with energy return. A thin, breathable one-piece upper reduces weight, and silicone details on the laces and sockliner help maintain a secure race fit.
Key specifications
- Stack (forefoot)
- 28 mm
- Carbon plate
- Yes
- Midsole
- CloudTec / Helion HF
- Outsole
- rubber
- Use cases
- Race
Weight notes Men’s weight at US 8.5.
Plate notes Full-carbon Speedboard.
Specs in context
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Unknown values are excluded. Shoe sizes and measurement conditions vary, so use these averages and distributions as a guide when comparing specifications.
Release dates & MSRP
Similar specifications
Models in the same category with similar weight, stack and drop.
Supported by Rakuten DevelopersModel videos
Cloudboom Echo 3 | Official shoe overview
Sources & notes
Feature sources
https://www.on.com/en-us/products/cloudboom-echo-3-0-3md1059/menshttps://press.on-running.com/cloudboom-echo-3https://press.on-running.com/the-wait-is-over-on-announces-highly-anticipated-new-drop-for-its-fastest-ever-shoes-the-athlete-developed-cloudboom-echo-3-and-cloudspikes2026-08-24