On CloudBoom review – Tried and Tested
Team Accelerate member and On athlete Andy Shelton has been putting the new On Running Cloudboom through its paces.
Heel-toe drop: 9mm
Weight: 225g
Best use: Road Racing
Price: £170
The CloudBoom is On running’s adventure into the world of carbon infused running shoes, The CloudBoom has been engineered for fast marathons and road races.
Straight out of the box
When you pick up the shoe, you immediately feel how light it is compared to On’s other long-distance, race based CloudFlow and CloudSurfer running shoes.
The CloudBoom is very distinctive. Many design hours and fine-tuned running tech have gone into creating an absolutely gorgeous shoe. As On say – this is definitely “Swiss engineering at its finest”
You will be pleased to know that the CloudBoom retain On’s signature cloud shaped sole. However, it is certainly fair to say that aesthetically they are rather different to On’s regular shoes. It is the only time I have seen a shoe and said “it looks fast”
When you push off for your first run, you appreciate Ons carbon infused speedboard. This flexible, but not pure carbon, speedboard offers a good balance of both rigidity and robustness, so every
step feels light, fast, and responsive.
The materials used in the CloudsBoom tick every box. The upper consists of super quality, ultra-thin and breathable engineered mesh to keep the weight down. The forefoot is reinforced so it can handle all types of turns.
The CloudBoom is well cushioned yet very different mainly due to the exciting set-up of the sole. Side on you can clearly see the different structural layers. In between the top section of the sole, (which incorporates On’s Helion™ foam to aid comfort), and On’s fabled CloudTech™, sits the carbon infused speedboard.
The rubber sole is noticeably different from On’s normal road shoe models. This is to offer you, the runner, enhanced traction and grip in the wet – which could provide increased acceleration and confidence. On have also made some other tiny changes such as the shorter tongue, which minimises weight and shows how On are trying to maximise the efficiency of this shoe.
Compared to the other carbon shoes on the market, the On CloudBoom is considerably more subtle, definitely not shouting out to everyone that you are out to PB, more like running in stealth mode.
After 3 weeks of testing (70 miles)
the new On CloudBoom I have noticed a few things; they are comfortable and super smooth to run in, the shoe is really snappy and provides a quick return for maximum cadence, and definitely has been easier on my legs, calves and achilles, which, for long distance runners, is a must. These shoes basically worked with my body and responded to the amount of effort I put into them. I tried them over a long distance, intervals and mixed pace runs. They responded superbly and I got the extra kick when I needed it. They are definitely now my favorite On running shoe, and most certainly a game changer!
Pros
Shoe looks good
Responsive
Comfortable
Well Made
Surprisingly hardwearing
Refined
Carbon infused
*cost
Cons
They seem to be a bit unstable in lateral motion
Pick up stones
Not for the weekend warrior ( casual runner )
Small toe box
*cost
My opinion
the CloudBoom is best suited to the road running for a decent amount of training miles. A superfast, comfy shoe to take on road races from 5km to Marathon distance and to get your desired PB’s.
Fantastic new On running shoe added to the On shoe family.
*I have put the cost in both categories as a carbon infused shoe it’s relatively cheap compared to others, but for the casual runner, it’s expensive and may not be for them.
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