On Running Cloudmonster 1 - Grey - White - 9.5 UK

The On Running Cloudmonster 1 trainers provide a high level of cushioning and energy return, makin...

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Product Information

Full details

The On Running Cloudmonster 1 is designed for adult male runners seeking maximum cushioning and energy return during daily training or long-distance road runs. By integrating advanced foam technology with a specialized rocker shape, these trainers provide a smooth, propulsive ride, though the maximalist stack height may feel less stable for those accustomed to minimal or low-profile racing flats.

All features

Age Groupadult
ColourGrey
GenderMale
Shoe Size UK9.5
Accent ColourWhite
Shoe TypeTrainers
SeriesCloudmonster 1
Model Part Number7619503512694
BrandOn Running

Extended Product Information

FAQs

Are these shoes good for marathons?

Yes, the high level of cushioning makes them an excellent choice for marathon training and race-day comfort.

Are they waterproof?

No, these are standard trainers and are not designed to be waterproof.

Can I use these for gym workouts?

While excellent for running, the high stack height may feel unstable for heavy weightlifting or lateral-movement gym classes.

How often should I replace them?

Depending on usage, replace them every 300 to 500 miles, or when you notice signs of uneven wear on the rubber outsole.

Do they fit true to size?

Yes, the Cloudmonster 1 generally runs true to standard athletic shoe sizing.

Troubleshooting

Feeling of instability on uneven surfaces

The Cloudmonster has a high stack height; ensure you are landing mid-foot and avoid sharp, quick pivots on uneven pavement.

Laces coming undone during runs

Try a double knot or use the top eyelets for a runner's loop (heel lock) to secure the midfoot.

Outsole debris buildup

The CloudTec pods can collect small stones; regularly inspect the outsole after runs and remove debris with a blunt tool.

Pros and Cons

Pros

  • Exceptional cushioning for high-mileage comfort
  • Effective energy return thanks to Speedboard technology
  • Smooth and consistent rocker-style transition
  • Breathable and durable material composition
  • Solid grip provided by the rubber outsole

Cons

  • High stack height might feel bulky for speed-focused interval training
  • Not intended for technical trail terrain
  • May require an adjustment period for runners new to maximalist footwear

Setup, Compatibility & Care

To ensure the best performance, secure the shoes using the standard lacing system, ensuring it is snug but not constricting across the midfoot. These shoes are standard-fit; if you typically wear orthotics, ensure your specific insoles fit comfortably over the existing footbed. For care, keep the trainers out of the washing machine to preserve the structural integrity of the Helion foam. If they get muddy, wipe them down with a damp cloth and mild soap, then allow them to air dry naturally away from direct heat sources like radiators, which can degrade the cushioning materials.