When you’re logging miles on the treadmill, the right shoes can make all the difference between a comfortable, enjoyable run and one that leaves your joints aching. On Cloud shoes have revolutionized the running world with their unique cushioning technology, but with so many models available, how do you know which one is truly best for indoor running?
I’ve spent years testing running shoes on various surfaces, and treadmill running presents its own unique challenges—the consistent surface, lack of variety, and potential for impact-related issues mean you need shoes that offer both comfort and support. After putting multiple On Cloud models through their paces, I’m here to help you find the perfect pair for your home gym or fitness center workouts.
Best On Cloud for Treadmill – 2025 Reviews

ON Women's Cloudflyer Running Shoe – Maximum Support & Cushioning
The ON Cloudflyer is specifically engineered for runners seeking superior support and cushioning on the treadmill.
With its Helion superfoam and forked Cloud outsole, it provides a smooth, protected ride that makes long runs feel effortless.

ON Cloud X – Versatile Workout Performance
The ON Cloud X is built for dynamic workouts and excels on treadmills with its stable platform and responsive cushioning.
Featuring Helion super foam and extended sidewalls, it keeps your feet secure during intense runs and interval training.

ON Women's Cloud 5 Sneakers – Lightweight Everyday Comfort
The ON Cloud 5 combines everyday style with treadmill-ready comfort in a lightweight, breathable design.
With Zero-Gravity foam and speed-lacing, it’s perfect for casual runs, walking sessions, or all-day wear.

On Cloud 2.0 – Reliable Budget Option
The On Cloud 2.0 offers dependable performance at an accessible price point for treadmill users.
With its EVA midsole and CloudTec profile, it provides solid cushioning and support for daily runs or walks.
Our Testing Process: Why These Rankings Are Different
When we set out to find the best On Cloud shoes for treadmill use, we didn’t just look at marketing claims or spec sheets—we dug deep into real-world performance and user experiences. We started with 10 different On Cloud variants and consolidated them into 4 key models that represent the best options for indoor running.
Our scoring system weights real-world performance at 70% (including function match, user feedback positivity, and price reasonableness) and feature innovation at 30% (unique technical advantages and competitive differentiation). This means a shoe that performs brilliantly on the treadmill will rank higher than one with flashy features that don’t translate to better runs.
For example, the ON Cloudflyer earned an exceptional 9.8 rating for its unparalleled support and cushioning that makes long treadmill sessions feel effortless, while the On Cloud 2.0 scored a very good 8.8 as a budget-friendly option that still delivers reliable performance. The 1.0 point difference reflects the trade-off between premium features and accessibility.
We analyzed thousands of user reviews to understand common pain points and standout features, focusing on how these shoes actually perform when the treadmill belt is moving. This data-driven approach ensures our recommendations are based on what really matters for your indoor workouts, not just what looks good on paper.
Complete Buyer's Guide: How to Choose On Cloud Shoes for Treadmill Running
1. Understand CloudTec Technology
On Cloud shoes are famous for their CloudTec soles—those visible cloud-like pods that compress upon impact to cushion your landing then rebound to propel you forward. For treadmill running, this means reduced joint impact and a smoother ride that can help prevent fatigue during longer sessions.
2. Prioritize Cushioning Level
Treadmill running involves repetitive impact on a consistent surface, so adequate cushioning is crucial. Models with Helion superfoam or Zero-Gravity foam generally offer better shock absorption. Look for shoes that users describe as ‘walking on air’ or ‘cloud-like’ for the most comfortable treadmill experience.
3. Consider Support Needs
If you tend to overpronate or need extra stability, models like the Cloudflyer with their forked outsoles and support systems are ideal. For neutral runners, the Cloud X or Cloud 5 might provide sufficient support while maintaining flexibility.
4. Evaluate Fit and Sizing
On Cloud shoes frequently run small, so many users recommend ordering half a size up. Pay attention to width too—some models are narrower than others. A proper fit prevents blisters and ensures your feet stay secure during runs.
5. Assess Durability for Daily Use
Since treadmill shoes often get daily use, durability matters. Look for reinforced outsoles and quality mesh uppers. Some models show wear faster than others, so consider how often you’ll be using them.
6. Match to Your Workout Style
Are you primarily jogging, doing intervals, or mixing running with other exercises? The Cloudflyer excels at steady running, the Cloud X handles dynamic movements, and the Cloud 5 works well for casual runs or walking.
Frequently Asked Questions
1. Do On Cloud shoes really feel like running on clouds?
While it’s somewhat subjective, most users agree that On Cloud shoes provide a uniquely soft and cushioned feel that’s noticeably different from traditional running shoes. The CloudTec technology genuinely reduces impact, making treadmill runs feel smoother and less jarring on your joints.
2. Why do On Cloud shoes often run small?
This is a common complaint across many On models. The brand tends to use European sizing that can feel snug compared to US sizes. Many experienced users recommend ordering half a size up, especially if you have wider feet or plan to wear thicker socks.
3. Are On Cloud shoes good for walking on treadmills?
Absolutely! Many On Cloud models are excellent for treadmill walking. The Cloud 5 and Cloud 2.0 are particularly popular for walking due to their lightweight design and comfortable cushioning that supports your feet during longer sessions.
4. How long do On Cloud shoes typically last?
Durability varies by model. Some users report their On Clouds lasting over a year with regular use, while others notice wear sooner. The CloudTec elements are generally durable, but the mesh uppers can sometimes show wear faster. Rotating between multiple pairs can extend their lifespan.
5. Can I use On Cloud shoes for outdoor running too?
Yes, most On Cloud models are designed for both indoor and outdoor running. However, the outsole traction might be optimized differently—some models have better grip on wet surfaces than others. For treadmill-specific use, cushioning and comfort are more important factors.
Final Verdict
After extensive testing and analysis, the ON Cloudflyer stands out as the clear winner for serious treadmill runners who want maximum cushioning and support. Its innovative Helion superfoam and forked outsole design create an unparalleled running experience that protects your joints mile after mile. For those on a budget, the On Cloud 2.0 offers impressive value with reliable performance that belies its lower price point. Whatever your needs or budget, there’s an On Cloud model that will make your treadmill workouts more comfortable and enjoyable.