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On Cloudmonster 61 - White | Glacier primary angle

On | Standards

Every Cloudmonster is engineered to On's highest standards - tested by athletes, certified for performance, and built to exceed your training goals.

Product details and quick facts

Cushioning

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Mid

Road running

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Responsive

Lacing

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Standard

Heel to toe drop

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6mm

Key features

On Cloudmonster 61 - White | Glacier Helion Superfoam for Durable Cushioning

Helion Superfoam for Durable Cushioning

Helion superfoam absorbs impact on landing and stays light and responsive across varying temperatures. It provides the kind of cushioning that holds up over hundreds of miles without turning dead underfoot.

On Cloudmonster 61 - White | Glacier Speedboard for Snappy Energy Return

Speedboard for Snappy Energy Return

The Speedboard propulsion plate harvests energy from each footstrike and channels it into a snappy toe-off. The result is a shoe that feels more alive mile after mile, not less.

On Cloudmonster 61 - White | Glacier Rocker Geometry for Effortless Forward Roll

Rocker Geometry for Effortless Forward Roll

The Cloudmonster 61's rocker shape guides your foot through a natural transition from landing to push-off. Less effort goes into each stride turnover, which adds up to real savings on longer runs.

Product story

Built to Bounce. Finished in Frost.

The White | Glacier colorway on the Cloudmonster 61 is not just a look, it is a statement of purpose. The cool, icy palette cuts through the visual noise of a typical shoe rack and signals a shoe that takes cushioning seriously without sacrificing clean design. On the road, it moves exactly how it looks: smooth, deliberate, and full of forward momentum.

At the core of the Cloudmonster 61 is Helion superfoam, a compound engineered to absorb impact on landing while staying light and resilient across a wide range of temperatures. Paired with a Snappy Speedboard, the shoe converts that absorbed energy into propulsive return so each toe-off feels loaded and ready. The unique rocker shape guides your foot through a natural forward roll, reducing the effort your legs spend transitioning from heel strike to push-off.

The Cloudmonster 61 earns its place as a daily trainer and a long-run companion in equal measure. Its soft sockliner and engineered upper wrap the foot in comfort whether you are logging an easy recovery mile or grinding through a double-digit weekend run. The cushioning stack is built for roads and paved paths, rewarding consistency and high mileage with durable, repeatable comfort.

This shoe suits men who want maximum cushioning without sacrificing the sense that the shoe is actually working with them. Whether you are returning from injury and need a forgiving platform, building mileage for a half marathon, or simply someone who spends long hours on hard surfaces and wants real recovery on every run, the Cloudmonster 61 in White | Glacier delivers that in a colorway you will want to keep clean.

Series

Cloudmonster 61

Fit note

True to size

Product FAQ

Details before you decide.

Everything you need to know before your first run in the Cloudmonster 61.

Runner notes

Why this pair keeps getting picked.

Natural feedback shaped around the fit, colorway, and ride profile of this exact product.

The cushioning I needed for 20-mile training weeks

I switched to the Cloudmonster 61 halfway through marathon training and the difference on long runs was immediate. The Helion foam does exactly what On claims, it absorbs the pounding without leaving your legs feeling like you are running on sponges. The White | Glacier colorway stays clean longer than I expected too, which is a bonus when you are wearing them six days a week.

Marcus Delgado

Marathon runner, Portland OR

Finally a shoe that lets me run pain-free again

After a stress fracture kept me sidelined for four months, I needed a max-cushion shoe I could trust on my return to running. The Cloudmonster 61 gave me the confidence to build back up without fear of reinjury. The rocker shape takes pressure off my forefoot at exactly the right moment, and the ride is forgiving without feeling disconnected from the road.

Jerome Hutchins

Daily runner returning from injury, Atlanta GA

Max cushioning that actually keeps up with my mileage

At 235 pounds I have been through a lot of shoes that felt great for two weeks and then bottomed out. The Cloudmonster 61 has held up well past the 150-mile mark with no noticeable compression loss in the foam. The Speedboard is a real differentiator: I feel actual propulsion, not just padding, which changes how effortful a long run feels.

David Okafor

Heavier runner, Columbus OH

Wore these through a 14-hour shift and my feet thanked me

I wear these to work on days I know I am going to be on my feet for 12 to 14 hours on tile and concrete. The difference compared to my previous trainers is substantial, far less foot fatigue by the end of a shift. The White | Glacier colorway fits in well with scrubs and the soft upper does not create pressure points around the forefoot even after hours of wear.

Tyler Brannigan

Hospital nurse, Denver CO

Great cushioning, takes a few miles to break in

The Cloudmonster 61 needed about 20 miles before it really opened up and hit its stride, which surprised me given how cushioned it felt out of the box. Once it did break in, the energy return from the Speedboard clicked and the forward roll felt effortless during tempo work. Knocked off one star only because the break-in period is real, but once you are past it this is an excellent shoe.

Samuel Okonkwo

Half marathon trainer, Houston TX

Versatile enough for the gym, comfortable enough for the train

I wear the Cloudmonster 61 for morning runs, then straight to the gym and into my commute, and they hold up across all three uses without looking out of place. The White | Glacier colorway is clean and minimal enough to pair with most outfits. Cushioning that was engineered for road running translates well to hard gym floors, and my knees feel a lot better for it.

Kevin Marlowe

Gym-to-commute runner, Chicago IL

My go-to shoe for anything over 10 miles

I have tried a lot of max-cushion shoes and the Cloudmonster 61 is the first one that does not make me feel sluggish at the end of a long run. The rocker geometry really does work: I arrive at the push-off phase with more energy left in my legs. Three months in and the White | Glacier upper still looks great with regular spot cleaning.

Brian Fitzgerald

Weekend long-run enthusiast, Boston MA

Bought on a whim and now I own two pairs

I picked up the Cloudmonster 61 in White | Glacier because I liked the look, and ended up completely converted to On's cushioning philosophy. The Helion foam is unlike anything I have run in before, it feels generous on landing but then the Speedboard kicks in and you are rolling forward without thinking about it. Already ordered a backup pair in a different color so I can rotate.

Nathaniel Reyes

Recreational runner, San Antonio TX