Introduction

The On Cloud Monster lives up to its name — it’s a beast when it comes to cushioning and comfort. Designed for runners and walkers who want maximum plushness without sacrificing responsiveness, the Cloud Monster has quickly become one of our most popular models. In this detailed review, we put it to the test.

First Impressions

Right out of the box, the Cloud Monster impresses with its bold design and substantial build. The upper features a premium engineered mesh that looks sleek and feels durable. The standout feature is the exaggerated cloud-like sole unit that gives the shoe its “monster” name — it’s significantly thicker than other models in the On Cloud lineup.

CloudTec Cushioning System

The Cloud Monster utilizes an enhanced version of CloudTec-inspired cushioning technology. The individual cloud elements are larger and more spaced out than on models like the Cloud 5 or Cloud 6, allowing for greater compression and energy return. This translates to a noticeably softer landing and more energetic toe-off.

Comfort and Fit

The fit is true to size with a medium width that accommodates most foot shapes. The padded tongue and collar provide excellent ankle support, while the breathable mesh keeps your feet cool even during long runs. The insole offers additional arch support, making it suitable for runners with medium to high arches.

Performance Testing

We tested the Cloud Monster across different terrains and distances:

• Short runs (5K): Exceptional comfort, the shoe feels like a cloud (pun intended)
• Long runs (10K+): The cushioning truly shines here, reducing fatigue significantly
• Walking: Perhaps the most comfortable walking shoe we’ve tested
• Gym: Good for light training but not ideal for heavy weightlifting due to the soft sole

Durability

After 100+ miles of testing, the Cloud Monster shows minimal wear. The rubber outsole is strategically placed in high-wear areas, and the upper material resists tearing. We estimate a lifespan of 400-500 miles with proper care.

Pros and Cons

Pros:

• ✅ Exceptional cushioning — best in class for On Cloud shoes
• ✅ Premium build quality and materials
• ✅ Excellent for long runs and recovery days
• ✅ Stylish design that works for casual wear too
• ✅ Great value at £150 with current 25% OFF

Cons:

• ❌ Not ideal for speed work or racing
• ❌ Slightly heavier than other models
• ❌ May feel too soft for those who prefer firm cushioning

Who Should Buy the Cloud Monster?

The Cloud Monster is perfect for: runners who prioritize comfort above all else, runners recovering from injury who need maximum cushioning, walkers who spend hours on their feet, and anyone who wants a shoe that can transition from run to casual wear seamlessly.

Final Verdict: 9.5/10

The On Cloud Monster is an exceptional shoe that delivers on its promise of maximum cushioning. While it may not be the fastest shoe in the On Cloud lineup, it’s undoubtedly the most comfortable. At £150 (was £200), it offers incredible value for the quality and technology you’re getting.

Buy On Cloud Monster now →