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On Cloudmonster 1 - Pearl | Ivory 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 1 - Pearl | Ivory CloudTec Cushioning for Daily Miles

CloudTec Cushioning for Daily Miles

Hollow CloudTec pods compress independently on landing and rebound through toe-off, giving the Cloudmonster 1 a springy, responsive feel that holds up across high-mileage training weeks.

On Cloudmonster 1 - Pearl | Ivory Helion Foam Impact Absorption

Helion Foam Impact Absorption

Helion superfoam is engineered to absorb landing forces without feeling dead underfoot, so the cushion stays lively through long runs rather than packing out by mile ten.

On Cloudmonster 1 - Pearl | Ivory Clean Aesthetic, Hidden Eyelets

Clean Aesthetic, Hidden Eyelets

Hidden eyelets replace traditional exposed lace loops to deliver the tonal Pearl | Ivory profile a seamless finish, keeping the upper's lines clean whether the shoe is on the road or on your feet at the end of the day.

Product story

A Softer Monster

The Cloudmonster 1 in Pearl | Ivory is the kind of shoe that earns a second look before you even lace it up. The soft, near-white tonal colorway is deliberate: pearl overlays sit against an ivory base, creating depth without contrast, so the silhouette reads as one considered object rather than a patchwork of colors. It is the Cloudmonster built for people who want their gear to look as considered as the rest of their wardrobe.

Under that clean exterior is the same performance chassis that made the Cloudmonster line a favorite among high-mileage runners. CloudTec cushioning pods line the outsole, each one designed to compress independently on landing and then snap back to return energy through the toe-off. The Speedboard plate beneath the foot encourages a natural forward roll, and Helion superfoam handles the impact absorption that lets you run longer without the cumulative soreness that stacks up in a firmer shoe.

The Cloudmonster 1 suits a wide range of daily miles, from a 4-mile recovery loop to a long Sunday run on paved paths and light gravel. The rubber outsole delivers reliable grip on dry pavement and performs predictably on damp surfaces too. Hidden eyelets along the upper replace the standard lace loops with a flush, uninterrupted line, so the shoe looks as intentional at the coffee shop after the run as it did at the start.

The Pearl | Ivory colorway of the Cloudmonster 1 appeals to runners who prefer neutral, versatile gear that pairs with anything in their kit without calling attention to itself. It suits the everyday athlete building consistent mileage, the runner returning to training after time off who needs a forgiving ride, and anyone who simply wants a shoe that transitions from training to the rest of the day without a costume change.

Series

Cloudmonster 1

Fit note

True to size

Product FAQ

Details before you decide.

Common questions about the Cloudmonster 1 in Pearl | Ivory, answered directly.

Runner notes

Why this pair keeps getting picked.

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

The shoe I reach for every morning

I have been running in the Cloudmonster 1 Pearl Ivory for about three months and it is now my default daily trainer. The CloudTec cushioning feels genuinely different from other max-cushion shoes I have tried. It is soft at landing but there is energy coming back on the push-off, not just foam absorbing the hit. The color holds up well on pavement too.

Marcus Delgado

Daily runner, Austin TX

Eased me back into running without aggravating my knee

I was coming back from a knee injury and my physical therapist suggested a high-cushion shoe to reduce impact loading. The Cloudmonster 1 was the recommendation and the Pearl Ivory was the colorway I landed on. Three months in and I have worked back up to eight-mile long runs with no flare-ups. The Helion foam genuinely absorbs the landing in a way I can feel.

Diane Kowalski

Returning from injury, Chicago IL

Reliable long-run shoe with a clean look

I use the Cloudmonster 1 for my long training runs on Sundays and it has earned a permanent spot in my rotation. The rocker geometry makes the late miles feel less like a grind and more like the shoe is doing some of the work. The Pearl Ivory color stays versatile with all my kit and the hidden eyelets are a detail I appreciate more every time I put them on.

James Thornton

Marathon trainer, Portland OR

Not just for running, I wear these all day at work

I started buying running shoes specifically because my feet are wrecked after twelve-hour hospital shifts. The Cloudmonster 1 in Pearl Ivory was the first pair I wore both on my morning run and straight into a shift. The CloudTec cushioning is noticeable even on hard hospital floors and the white colorway fits the clinical environment better than my old neon trainers ever did.

Tanya Osei

Nurse, 12-hour shifts, Atlanta GA

Good support for my build, slight break-in needed

At 230 pounds I have always struggled with cushioning that packs out too fast. The Helion foam in the Cloudmonster 1 has lasted longer than I expected and still feels responsive at 200 miles in. I docked one star because the first few runs felt stiff in the upper. By run four it had broken in and I have had no complaints since.

Robert Feinberg

Heavier runner, Minneapolis MN

Goes from treadmill to street without looking like a gym shoe

I run to the gym three days a week and needed a shoe that did not look embarrassing on the commute. The Pearl Ivory Cloudmonster 1 solved that completely. The tonal color and hidden eyelets read more like a quality sneaker than a running shoe, but the performance is real. CloudTec on the treadmill is a noticeably better experience than my previous trainer.

Sofia Ramirez

Gym and commute runner, Denver CO

My joints thank me on every run

I have been running for 25 years and the cumulative wear on my joints is real. The Cloudmonster 1 is the most comfortable shoe I have run in at this stage of my running life. The combination of CloudTec and Helion foam takes the edge off hard road surfaces without making the shoe feel unstable. I am running more consistently than I have in years.

Kevin Harrington

50-plus runner, Boston MA

Training shoe that keeps up with race week prep

I use the Cloudmonster 1 Pearl Ivory for my easy and moderate training days between races. It handles volume well and the cushioning does not make my legs feel heavy the way some max-cushion shoes do. I would not race in it but for building mileage between events it is exactly what I want. The color is clean and pairs with pretty much everything in my training wardrobe.

Aaliyah Washington

5K and 10K racer, Nashville TN