Running Shoes
Asics Gel-Cumulus 25 Review: A Comfortable Daily Trainer With One Trade-Off
A close look at the Asics Gel-Cumulus 25: plush fit, a soft-but-stable FF Blast Plus midsole, and a durability question worth knowing about before you buy.
Introduction
The Asics Gel-Cumulus 25 is a good shoe. Testing made that clear almost immediately. The interesting part is that it initially felt even better under foot than it turns out to be once you get down to the numbers: it is comfortable, well designed and pleasant to run in, just not quite as great as the first few miles suggest. Priced higher than its predecessor, it sits in the dependable daily trainer category rather than the flashy one, and that is where it earns its keep.
Upper and Fit: Roomy Toe Box, Narrow Over the Foot
The upper uses a jacquard mesh through the toe box with plenty of room for toes. There is nothing cramped about the forefoot, which most runners will welcome. The eyelet chain is fine, if unremarkable, though the lacing over the top of the foot feels a little narrow, so the laces do less work wrapping the entire upper than some might like.

If you have a wider foot or more volume, this shoe may fit you out better than it fit in testing, where a bit too much material sat over the top of the foot and limited lockdown. The heel collar is described as approaching plush, and the heel counter is genuinely comfortable. Breathability is not a strong point, especially in the toe box.
Midsole: Soft but Stable
The midsole uses FF Blast Plus foam with gel injection. Durometer readings ranged between 37.7 and 42, and a reading around 42 is a sensible balance: not too soft, plenty of cushioning without sinking. On the thumb test the Clifton 9 comes out softer, but the two are very similar in stack height. The twist test shows the shoe twisting quite a bit, and it flexes easily without crazy bounce.

The key distinction: if you like soft but you do not like sinking into the shoe, this is worth a look. You sink into the Clifton 9; you do not sink into the Cumulus 25. That firmer-yet-soft character is what makes it feel stable on easy runs.
Outsole: Well Designed but Careful on Wet Roads
The outsole is AHAR Plus, and the design is genuinely well done: it is not fully lathered with rubber, using selective coverage where it matters, and there is no decoupled groove to complicate things. It feels fairly tacky in the dry.

One caution: on very slick wet roads, especially when taking sharp corners at higher speeds, be a little careful. With limited wet-weather testing available, that is an honest caveat rather than a dealbreaker.
Durability and Longevity
This is the trade-off. The midsole creases quite a bit, and full-benefit durability is predicted at around 300 to 350 miles rather than 350 to 400. Softer, more comfortable shoes often give up some longevity, and that pattern shows here. The shoe will likely keep running well past that, but you will lose the pep under foot.

A reasonable expectation for this category is at least 400 miles from a daily trainer, so the Cumulus 25 falls a little short of that standard. It is not quite in the workhorse category, but it will still knock out good mileage.
Buying Advice
The Gel-Cumulus 25 is not the Nimbus, which is plush in a comfy-couch sort of way, and it is not the sink-into-foam feel of the Clifton 9. It sits between them: plenty of softness, more stability, a comfortable collar, and a price that has gone up by ten dollars over the Cumulus 24. If your priorities are comfort, a stable soft ride and a trusted outsole, and you can accept around 300 to 350 miles of peak performance, it is a solid pick for easy daily miles.
Conclusion
With an overall score of 7.1, the Asics Gel-Cumulus 25 lands as a good, honest daily trainer. It is comfortable without being overly soft, the outsole is excellent, and the main concerns are breathability, a slightly narrow fit over the top of the foot for some, and faster-than-expected midsole creasing. For runners who want a soft-but-stable ride for regular easy miles, it remains a shoe worth considering.
Product link
View more details for Asics Gel-Cumulus 25
This product is mentioned in the review. Check the specifications, options, and compatibility before buying.
View more details for Asics Gel-Cumulus 25