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On Cloudmonster 3 - Black | Black 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 - Black | Black Helion HF Hyper Foam Cushioning

Helion HF Hyper Foam Cushioning

Helion HF is On's high-energy foam compound, tuned to absorb impact on hard city surfaces while returning energy with every toe-off. The dual foam construction adds a second density layer so the ride feels both protective and responsive.

On Cloudmonster 3 - Black | Black Dual Foam, Triple-Layer Base

Dual Foam, Triple-Layer Base

A triple-layer CloudTec base gives the Cloudmonster 3 exceptional cushioning depth for a road shoe. Two distinct foam densities work together to soften landings and promote a propulsive, rolling stride geometry.

On Cloudmonster 3 - Black | Black High-Grip Silicone Laces

High-Grip Silicone Laces

Silicone laces replace conventional flat laces to deliver a more consistent, slip-free lockdown throughout the run. The perforated sockliner beneath your foot channels airflow to keep the interior comfortable on longer efforts.

Product story

Built for the City. Dressed for Everything.

The Cloudmonster 3 in Black | Black is the result of On's ongoing collaboration with Seoul-based design collective POST ARCHIVE FACTION. Where other colorways play with contrast, this one commits entirely to monochrome: black upper, black midsole, black outsole. The effect is a shoe that reads as a single bold object rather than a collection of parts, and it pairs with almost anything a city runner would already own.

The ride is built on Helion HF hyper foam, a high-rebound compound that absorbs ground impact without feeling dead or spongy underfoot. A dual foam construction layers different densities to give you softness at heel strike and a firmer, propulsive feel through the toe-off. A triple-layer CloudTec base provides the cushioning depth that lets the Cloudmonster 3 handle both long training blocks and all-day urban use without fatigue.

The Cloudmonster 3 excels on road and pavement, making it equally at home on a long weekend run, a commute across the city, or a shift that keeps you on your feet for hours. The rocker geometry encourages a natural forward roll, so each stride transitions smoothly rather than stalling at the ball of the foot. Silicone laces replace traditional flat laces for a consistent, grip-forward lockdown that does not loosen over the course of a run.

The Black | Black colorway suits runners who want a shoe that functions at a high level and disappears visually into any outfit. It is sold in both mens and womens fits, and the all-black construction makes it versatile enough to move from a track session to a coffee shop without a change of shoes. If you log serious weekly mileage and want maximum cushioning without sacrificing aesthetic intention, this is the version of the Cloudmonster 3 built for you.

Series

Cloudmonster 3

Fit note

True to size

Product FAQ

Details before you decide.

Everything you need to know before you order the On Cloudmonster 3 in Black | Black.

Runner notes

Why this pair keeps getting picked.

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

My go-to for long runs

I have been running in the Cloudmonster 3 Black Black for three months now and I have logged well over 300 miles in them. The Helion foam still feels lively and has not noticeably compressed. For early morning runs on city streets, the cushioning takes the edge off without making the shoe feel sluggish.

Marcus Delgado

Daily runner, Austin TX

Holds up through marathon training blocks

I use these specifically for my easy and long run days, and the Cloudmonster 3 handles back-to-back high mileage better than anything I have tried at this cushion level. The dual foam construction makes a real difference on 20-mile Saturdays. The black colorway also means they still look sharp after long muddy runs.

Priya Nair

Marathoner in training, Chicago IL

12-hour shifts feel manageable

I started wearing the Cloudmonster 3 for my nursing shifts after my physical therapist suggested more cushioned footwear. They hold up through a full shift on hard hospital flooring and my feet and lower back feel noticeably better by the end. The all-black colorway fits the dress code perfectly, which is a real bonus.

Devon Whitfield

ER nurse, Portland OR

Finally a cushioned shoe that feels proportionate

At 235 pounds I burn through most running shoes quickly, but the Cloudmonster 3 has been more resilient than I expected. The triple-layer CloudTec base gives me confidence that the cushioning will not bottom out mid-run. I gave it four stars because the silicone laces took a few wears to feel natural, but I would still buy them again.

James Kowalski

Heavier runner, Minneapolis MN

The cushioning helped my comeback

After a stress fracture kept me out for six months, my sports medicine doctor recommended maximally cushioned footwear for my return to running. The Cloudmonster 3 gave me confidence that my foot was protected on every landing. I started with 20-minute easy runs and have worked back up to 10 miles, and the shoe has supported every step of that progression.

Alicia Tran

Returning from injury, Seattle WA

One shoe for the whole day

I run my commute three days a week and then wear the same shoes into the office, and the Cloudmonster 3 in black passes easily in both contexts. The silicone laces stay put on the run and the shoe looks intentional rather than athletic when I walk into a meeting. On, the foam is noticeably more energetic than the previous Cloudmonster I owned.

Nathaniel Brooks

Commuter and gym runner, New York NY

Plush but not slow

I was skeptical that a maximum cushion shoe could also feel fast enough for tempo work, but the Cloudmonster 3 surprised me. The rocker geometry rolls you forward efficiently and the Helion HF foam gives back more energy than I expected. I use it for my Sunday long runs and occasionally for tempo sessions when my legs need extra protection.

Sandra Espinoza

Weekend long runner, San Antonio TX

Great everyday trainer with one small note

The Cloudmonster 3 is the most cushioned shoe I have owned and the comfort level on pavement is exceptional. The dual foam feels distinct from single-compound shoes and the cushioning depth is something you notice immediately. My only note is that the silicone laces feel a bit different from standard laces and took me two or three runs to tie consistently, but that is a minor adjustment for an otherwise excellent shoe.

Tyler Okonkwo

Recreational runner, Atlanta GA