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On Cloudmonster 61 - Frost | Wash 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 - Frost | Wash Helion Superfoam for Lasting Comfort

Helion Superfoam for Lasting Comfort

Helion superfoam is lightweight, durable, and temperature resistant, so the cushioning feel stays consistent whether you run in cool morning air or warmer afternoon conditions.

On Cloudmonster 61 - Frost | Wash Speedboard for Snappy Energy Return

Speedboard for Snappy Energy Return

The Speedboard propulsion plate works with each foot strike to return energy forward, giving the Cloudmonster 61 a lively, responsive character that stands out in the max-cushion category.

On Cloudmonster 61 - Frost | Wash Rocker Geometry Drives Natural Forward Roll

Rocker Geometry Drives Natural Forward Roll

The Cloudmonster 61's distinctive rocker shape reduces the effort needed to transition from landing to push-off, making sustained paces feel more effortless on long runs and easy days alike.

Product story

Built for the Long Run, Light Enough to Love Every Step

The Cloudmonster 61 in Frost | Wash arrives in a palette that feels quietly confident: a cool, pale frost tone softened by a washed finish that wears well whether you are logging easy miles before sunrise or heading out on a longer weekend run. It is a colorway that doesn't demand attention, which makes it pair with nearly anything in your rotation without effort.

Under that clean exterior, the Cloudmonster 61 is doing serious work. Helion superfoam absorbs impact on landing so your legs take on less stress, and the Speedboard propulsion plate stores and releases energy with each stride. The result is a ride that feels springy and responsive without being harsh, a combination that holds up across many miles.

The unique rocker shape of the Cloudmonster 61 encourages your foot to roll forward naturally, which reduces the effort it takes to maintain momentum. That geometry, combined with a soft sockliner and a breathable upper, makes this shoe a strong choice for daily training, easy long runs, and recovery days where comfort is the priority.

The Cloudmonster 61 suits runners who want maximum cushion without feeling buried in the shoe. Whether you are building mileage for a half marathon, recovering from a hard week of training, or simply running because you enjoy the feeling of a shoe that works with your stride, the Frost | Wash colorway gives you a shoe that is ready for all of it.

Series

Cloudmonster 61

Fit note

True to size

Product FAQ

Details before you decide.

Everything you need to know before you run in the Cloudmonster 61 in Frost | Wash.

Runner notes

Why this pair keeps getting picked.

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

The most comfortable shoe I have run in this year

I picked up the Cloudmonster 61 in Frost | Wash after a friend recommended the line, and I have not reached for anything else since. The cushioning is substantial without making you feel slow, and the rocker geometry takes a little adjustment but then you start to wonder how you ran without it. The Frost colorway looks even better in person than it does in photos.

Danielle Okafor

Daily runner, Portland, OR

My new long-run shoe

I rotate a few shoes depending on the workout, and the Cloudmonster 61 has become my go-to for anything over 12 miles. The Helion foam holds up through the end of the run without feeling beat down, and the Speedboard adds just enough snap to keep the legs moving late in a long effort. The Frost | Wash colorway is understated and pairs well with most of my gear.

Maria Castellanos

Marathon training, Chicago, IL

Great for long shifts and evening runs

I am on my feet for twelve hours at a stretch and then try to squeeze in a short run on the days I can manage it. The Cloudmonster 61 handles both situations well. The cushioning is generous enough that my feet are not screaming by mile three, and the shoe feels light enough that I don't dread lacing up after work. The wash finish on the Frost colorway stays looking clean longer than I expected.

Keisha Williams

Nurse, running for recovery, Atlanta, GA

Exactly the shoe my PT recommended

After six months dealing with a knee issue, my physical therapist pointed me toward a max-cushion shoe with a rocker profile, and the Cloudmonster 61 checked both boxes. The transition from landing to toe-off feels smooth and forgiving, which has made getting back to regular miles much easier. I am genuinely glad I chose the Frost | Wash color because it has become my favorite shoe visually as well.

Rachel Nguyen

Returning from knee injury, Seattle, WA

Finally a max-cushion shoe that doesn't feel like running on pillows

As a heavier runner I have tried a lot of cushioned shoes that feel squishy and unstable underfoot. The Cloudmonster 61 is different because the Speedboard keeps the ride feeling controlled even with the high cushion level. My only note is that the upper runs a tiny bit snug in the toe box for my foot shape, which is why I went half a size up. Other than that, this shoe is exactly what I needed.

Jennifer Abrams

Heavier runner, Minneapolis, MN

Works for the subway and the park loop equally well

I wear my Cloudmonster 61 for everything: my Saturday morning four-miler in Prospect Park, errands, and the occasional long walk across the bridge. The Frost | Wash colorway is clean enough to look intentional with everyday outfits rather than strictly athletic. The cushioning makes long days on foot genuinely comfortable, and the shoe has held up well over several months of mixed use.

Stephanie Park

Casual runner and commuter, Brooklyn, NY

My legs feel fresher the next day

I started using the Cloudmonster 61 for easy and recovery runs alongside my faster training shoes, and the difference in how my legs feel the following morning is real. The Helion foam absorbs a lot of the impact that accumulates over a week of training, and the rocker keeps the run feeling smooth even when I am tired. The Frost | Wash colorway was the one I almost passed on and now I think it is the best looking shoe I own.

Tamara Jefferson

Half-marathon runner, Austin, TX

The right shoe to start a running habit

I started running six months ago and asked a specialist at a running store which shoe would protect my joints while I built up mileage. She pointed me to the Cloudmonster 61 and I have been happy with it every run since. The cushioning is noticeable from the first step, and the forward-rolling shape makes it easier to keep good form even when I am tired near the end of a run. The Frost | Wash is the color I have gotten the most compliments on.

Olivia Marchetti

Beginner runner, Denver, CO