Mar 06, 2026 8 min read

Reviews On Running

On Cloudmonster 3 review: smoother, heavier, and less memorable than before

On has refined the fit and cleaned up the ride, but in doing so, the Cloudmonster 3 loses some of the spark that made the original feel so fresh.

There’s a version of this review that could sound more enthusiastic, and to be fair, a lot of the early reaction around the On Cloudmonster 3 has leaned that way.

Compared to version 2, this is a more polished shoe. The upper feels better sorted, the ride remains smooth and forward-rolling, and the overall package is easy to get along with from the first run. It feels stable, protective, and well built. For plenty of runners, that will be enough.

But after putting my own miles into it, I keep coming back to the same conclusion: this is a better-behaved shoe than v2, yet not as exciting as On's first attempt.

That matters because the original Cloudmonster did not just feel competent. It felt distinctive. It had bounce, personality, and a playful rolling sensation that made it more engaging than many cushioned daily trainers. It was one of those shoes that made you want to run in it.

The Cloudmonster 3 still does a lot right, but for me, it lands in a more subdued place. It feels dependable and well refined, yet also a little forgettable. In a category this crowded, that makes it harder to recommend with real enthusiasm, especially at this price.

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Key specifications

Price: $190 at On - Release date: Mid-March 2026
Weight: 10.6 oz / 301g (men’s US 9, my pair)
Drop: 6mm
Stack height: 35mm heel / 29mm forefoot
Upper: Engineered knit/mesh with targeted breathability zones, padded tongue and heel collar, gusseted tongue
Midsole: Helion foam with triple-layer CloudTec cushioning
Plate: Embedded nylon-blend Speedboard
Outsole: Compressed rubber with visible CloudTec pods and multi-directional tread
Category: Neutral road daily trainer
Extra notes: Roomy toe box, recycled polyester in the upper, no wide version noted at launch, tested in the Rock | Silver colorway

Sizing and fit

Fit is one of the clearest improvements here.

The Cloudmonster 3 runs true to size, with a more secure heel and midfoot than past versions and enough room up front for natural toe splay. The upper feels better dialed in overall, and that slightly loose, sloppy sensation some earlier models could have is mostly gone.

It now wraps the foot in a more confident, glove-like way without becoming restrictive, which suits the shoe’s daily training role well.

My only real complaint is the tongue. It feels a little too short and does not sit quite high enough at the lace point, so I can imagine some runners noticing lace pressure there, depending on how they tie them down.

Performance review

A smoother, safer ride that lacks the old spark

On’s core formula still works here in a technical sense.

The combination of Helion foam, triple-layer CloudTec, the nylon-blend Speedboard, and the rocker shape creates a ride that feels stable, protective, and clearly designed to keep momentum moving forward.

At easy and steady paces, the shoe handles itself well. It absorbs impact nicely, feels planted, and gives you that familiar mechanical pop as the CloudTec pods compress and rebound.

The issue is not that the ride is bad. It is that it feels more muted than it should.

The original Cloudmonster had a lively, slightly unusual feel that made it stand out. It was cushioned, but also fun. It could move beyond easy pace with more energy than you might expect from a shoe in this class.

The Cloudmonster 3, by comparison, feels more controlled and more polished, but also more generic.

It rolls along well. It gets the job done. It just doesn’t have much personality.

That may sound like a small complaint, but when there are so many genuinely enjoyable daily trainers out there now, “solid but unremarkable” is not the most convincing place for a $190 shoe to land.

The extra weight is hard to ignore

This is the part I noticed more than I expected to.

At 10.6 oz (301g) in my men’s US 9, the Cloudmonster 3 feels heavy for what it is. At relaxed paces, that added heft is manageable enough, especially if all you want is a stable, cushioned ride for easy daily miles.

But once I try to pick things up, the weight becomes more obvious.

Instead of feeling nimble or eager, it starts to feel a bit clompy underfoot. That’s where the ride loses some of its appeal. Rather than helping me move more naturally, it can feel like I’m working against the shoe more than I should be.

That is especially noticeable because the Cloudmonster line has traditionally blurred the line between a daily trainer and an uptempo cruiser better than most. That crossover used to be part of the appeal.

In this version, it is still capable of handling pace changes, but it no longer feels especially rewarding when it does.

Firm at easy pace, but still protective

Despite the “monster” name, this is not a soft, sink-in, max-cushion experience.

In fact, it runs firmer than some people may expect, particularly at easier paces. That is not necessarily a bad thing. The firmer tuning helps the shoe stay stable and keeps transitions feeling more controlled than sloppy, which is important in a road shoe with this much stack.

There is enough protection here for daily training, and I can see why many runners will find it versatile. It never feels harsh, and it delivers the kind of reliable, structured cushioning that can handle regular miles comfortably.

Still, it is worth being clear about what kind of comfort this is.

This is not a plush cruiser. It is a more structured, forward-rolling cushion shoe that feels guided rather than soft. If you go in expecting a marshmallow ride, that is probably not what you will get.

An awkward middle ground in On’s lineup

This is where the Cloudmonster 3 becomes harder to place.

left to right: Cloudmonster 3, Cloudmonster 3 Hyper, Cloudsurfer Max

It feels like an overlap shoe.

Within On’s current road lineup, there are models that seem to define their roles more clearly.

If you want a smoother, more relaxed long-run cruiser, the Cloudsurfer Max makes a stronger case. If you want more bounce and a more energetic underfoot feel, the Cloudmonster 3 Hyper feels much closer to the fun, lively side of what made the original Cloudmonster line interesting in the first place.

That leaves the regular Cloudmonster 3 in a strange middle position.

It does plenty well, but it no longer feels like the obvious choice for a runner who wants something memorable. What once felt innovative now feels more like the safe, sensible option.

And to be fair, some runners want exactly that. There is real value in a shoe that quietly gets the job done and asks very little of you. But in trading some of its character for that safer feel, the Cloudmonster 3 ends up less compelling than it should be.

Everyday practicality helps its case

One area where this shoe does deserve credit is day-to-day usability.

The outsole grip is solid on the road, including in wet conditions, and the overall comfort extends beyond the run itself. This is the kind of shoe that can handle daily miles, time on your feet, and general everyday wear without feeling out of place.

That matters, especially for runners who want a road shoe that does not feel overly specialized.

So while I am a little underwhelmed by the ride compared with what this line used to offer, I do think the Cloudmonster 3 works well as an all-around road shoe for people who care more about comfort, stability, and predictability than energy or excitement.

My verdict

The On Cloudmonster 3 is a good daily trainer.

It is comfortable, stable, protective, and clearly improved in fit. If you want a structured, forward-rolling road shoe that feels dependable from the first run, it absolutely delivers on that.

But I don't think it is a particularly memorable one.

The added weight, the firmer-than-expected feel at easy pace, and its slightly awkward place in On’s current lineup all make it less compelling than its price tag suggests.

Shop at On

It feels more like a competent work horse than a shoe with a distinct reason to choose it over the many strong alternatives now available.