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On Cloudmonster 3 - Eclipse | 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 3 - Eclipse | Ivory Triple-Layer CloudTec Cushioning

Triple-Layer CloudTec Cushioning

A stacked arrangement of hollow CloudTec pods compresses on impact and rebounds with energy, giving each stride a responsive, cushioned feel without the dead weight of traditional foam.

On Cloudmonster 3 - Eclipse | Ivory Speedboard and Helion Foam Duo

Speedboard and Helion Foam Duo

The Speedboard propulsion plate works alongside Helion superfoam to convert cushioning energy into forward momentum, reducing the effort needed to maintain pace over long distances.

On Cloudmonster 3 - Eclipse | Ivory Engineered Knit Upper with Rocker Geometry

Engineered Knit Upper with Rocker Geometry

A breathable knit upper keeps the foot comfortable across changing conditions, while the enhanced rocker shape guides each footstrike toward a natural, energetic push-off.

Product story

Built to Roll, Finished to Last

The Cloudmonster 3 in Eclipse | Ivory was designed for runners who refuse to choose between performance and presence. The dark eclipse tone absorbs the grime of a long training block while the ivory midsole stays crisp session after session, giving the shoe a two-tone contrast that holds up in the real world rather than just in the box.

Under that refined exterior sits On's most cushioned CloudTec system yet, a triple-layer arrangement of hollow cushioning pods that compress on landing and rebound with energy, all underscored by Helion superfoam for lasting comfort across high-mileage weeks. The Speedboard propulsion plate channels that rebound forward, and the enhanced rocker geometry keeps your stride moving through toe-off without demanding extra effort from your legs.

This shoe suits a wide range of demands. Early-morning road runners will appreciate the forgiving landing it provides on cold, stiff legs. Runners returning from injury or those carrying more body weight will find the layered cushioning absorbs impact without feeling sluggish. The engineered knit upper keeps air moving even on warm days, so the shoe breathes as well in summer heat as it performs in the dark of a winter morning.

The Cloudmonster 3 is the right choice if you want a daily trainer that does not ask you to compromise. It is not a tempo shoe, and it is not a race-day slipper. It is a shoe built for the long sessions, the recovery miles, and every run in between, finished in a colorway confident enough to move from the trail entrance to the coffee shop without skipping a beat.

Series

Cloudmonster 3

Fit note

True to size

Product FAQ

Details before you decide.

Common questions about the Cloudmonster 3 in Eclipse | 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.

Best daily trainer I have owned in three years

I have been building toward my third marathon and needed a shoe that could carry 60-mile weeks without destroying my legs. The Cloudmonster 3 in Eclipse and Ivory has been exactly that. The CloudTec cushioning absorbs the repetitive impact on concrete, and the rocker keeps my stride efficient even when I am tired. The colorway looks sharp enough that I wear it to work on cross-training days too.

Marcus Delgado

Marathon trainer, Portland

On my feet twelve hours a day and my knees finally stopped complaining

I started wearing the Cloudmonster 3 for my hospital shifts after a coworker recommended On shoes for long standing days. The triple-layer cushioning is genuinely different from anything else I have tried. After a twelve-hour shift, my feet feel like I put in a normal day rather than a brutal one. The Eclipse and Ivory color is subtle enough that it passes the dress code without looking clinical.

Priya Nambiar

ER nurse, Houston

Finally a shoe that handles my weight without bottoming out

At 240 pounds, I have crushed the cushioning out of most running shoes within a few months. The Cloudmonster 3 has held up through eight weeks of daily use and still feels like the first day. The layered CloudTec system does not collapse under my stride the way single-layer shoes do. I came back from a knee injury and my physical therapist was actually pleased with the shoe choice.

James Whitfield

Heavier runner returning from injury, Atlanta

Great training shoe, not a racer but I did not expect it to be

I picked up the Cloudmonster 3 specifically for easy training days and recovery runs between harder sessions. For that purpose it is outstanding, genuinely one of the most comfortable road shoes I have worn. I knocked one star only because the extra cushioning makes it feel a touch heavy on days when I want to move fast. That is a deliberate design choice, not a flaw, and for its intended use it delivers.

Sandra Kowalski

5K and 10K racer, Chicago

The two-tone look travels from the park to the subway without issue

I needed a shoe I could run in before work and not feel embarrassed wearing into the office. The Eclipse and Ivory colorway does that job without trying too hard. The dark eclipse upper handles scuffs and dust invisibly, and the ivory midsole cleans up fast with a quick wipe. The Speedboard gives my stride a noticeable push that makes my morning five miles feel shorter than they are.

Darnell Hutchins

Daily runner and commuter, Brooklyn

My go-to shoe for back-to-back long run weekends

I do not race ultras on roads but I train on pavement during Colorado winters and the Cloudmonster 3 has become indispensable for those high-volume weekends. The cushioning holds up across three-hour runs and I never feel beat up the next morning. The knit upper breathes better than I expected even in dry mountain air. Sizing was true to my usual On fit.

Caitlin Brewer

Ultramarathon enthusiast, Denver

Carried me through eighteen weeks of marathon training

I chose the Cloudmonster 3 on a friend's advice for my first marathon training cycle and I am genuinely grateful. The rocker geometry made a real difference on long runs where I would typically slow down and shuffle. My legs felt fresher after 18-mile efforts than they did in my old shoes after 12 miles. The Eclipse and Ivory colorway is clean and the shoe photographed well at the finish line, which matters to a first-timer.

Thomas Nguyen

First-time marathon runner, Seattle

Versatile shoe that does more than one job well

I wear these for both treadmill runs and light gym days because I do not want to carry two pairs to the gym. The Cloudmonster 3 holds up in both settings. The cushioning feels different on a treadmill versus pavement but is comfortable either way. The ivory detail on the midsole does pick up gym floor scuffs more than the dark upper, so I wipe it down once a week, which takes about two minutes.

Rebecca Osei

Gym-to-run crosstrainer, Minneapolis