The ASICS GEL-KAYANO 31 is one of the longest-running (pun intended) models in the ASICS lineup, having undergone many transformations since the early '90s. This 31st iteration is a premium stability shoe intended for daily training. Like its predecessor, it uses ASICS' relatively new 4D Guidance System, which promises adaptive stability as you run, making use of support elements that include a foam-based midfoot block for arch support and a wider overall platform. This is a large, heavy shoe with a high stack height, but it's a good fit for heavier runners or runners needing a supportive daily trainer.
Our Verdict
The ASICS GEL-KAYANO 31 isn't meant for marathon racing. As a supportive daily trainer, it's not great for picking up the pace. It has poor overall energy return and a heavy weight that you'll feel in the longer distances of a marathon.
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Feels well-cushioned underfoot.
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Poor energy return.
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Heavy.
The ASICS GEL-KAYANO 31 isn't the best choice for 5K/10K racing. Its heavy weight and bulk aren't designed for faster speeds over shorter distances.
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Poor energy return.
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Heavy.
The ASICS GEL-KAYANO 31 delivers poor energy return. The midsole foam isn't soft or responsive enough to prevent excessive energy loss. The shoe doesn't provide the bouncy, responsive ride needed for faster paces.
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Poor energy return.
The ASICS GEL-KAYANO 31 offers sub-par cushioning overall, but that's mostly due to its limited impact absorption at the forefoot. Its heel, fitted with a PureGEL insert, provides great cushioning and protection underfoot, especially for heavier runners.
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Great protection under the heel at higher forces.
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Forefoot cushioning is more limited.
The ASICS GEL-KAYANO 31 has impressive lateral stability. Its remarkably wide outsole creates a stable platform, and this shoe uses support elements like a harder foam block in the midfoot for arch support. Though its high stack height lifts you farther off the ground, the firmness of the foam, especially in the forefoot, makes for a very controlled ride.
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Wide outsole provides a stable platform.
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4D Guidance System includes elements like a stiff block of foam in the midfoot.
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Foam is very firm overall.
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High stack.
- 3.4 Marathon Racing
- 5.2 5K/10K Racing
Performance Usages
- 1.0 Energy Return
- 5.4 Cushioning
- 8.4 Lateral Stability
Changelog
- Updated Apr 02, 2025: Converted to Test Bench 0.8.
- Updated Apr 02, 2025: Review published.
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Differences Between Sizes And Variants
We bought and tested the ASICS GEL-KAYANO 31 in men's US size 9, as noted on the label. The pair we purchased is the Digital Aqua/Bright Cyan colorway, but you can also buy the shoe in a wide range of colors, depending on the region. The men's variant ranges from Black/White and Black/Black to Blue Expanse/Digital Aqua and Indigo Blue/Gunmetal, while the women's variant includes colors like Cool Matcha/Light Celadon and Black/Bold Magenta, among others.
There's also a LITE-SHOW variant with reflective glow-in-the-dark elements to increase visibility at night and a PLATINUM variant with metallic accents based on Shibori dyeing techniques.
You can buy this shoe in narrow, regular, wide, or extra wide widths.
Compared To Other Running Shoes
The ASICS GEL-KAYANO 31 is a premium stability shoe. It's a great daily trainer for overpronators, with non-intrusive support elements and high-stack cushioning. However, this isn't the shoe to get if you're looking for a lightweight option for speedwork.
See our recommendations for the best running shoes to find the perfect runner for your needs.
The ASICS GEL-KAYANO 31 and ASICS GEL-NIMBUS 26 are both popular and long-standing models in ASICS' lineup, but they suit different needs. The GEL-KAYANO 31 is aimed at runners who need more stability, with dedicated support elements and a slightly wider outsole. The GEL-NIMBUS 26, on the other hand, is a more neutral daily trainer designed for maximum comfort, with a slightly higher stack height and more balanced cushioning in the heel and forefoot.
The ASICS NOVABLAST 4 is a more well-rounded shoe than the ASICS GEL-KAYANO 31. It's significantly lighter and uses more responsive foam, making it better for faster paces. It isn't as stable as the GEL-KAYANO 31, which is a better fit for heavier runners or those who need support elements.
For most runners, the New Balance FuelCell Rebel v4 has some advantages over the ASICS GEL-KAYANO 31. It's a significantly lighter shoe that feels well-cushioned despite having a much lower stack height than the GEL-KAYANO. Thanks to its more responsive foam, it's a bit more efficient and better at picking up the pace. The GEL-KAYANO is still a better fit for runners who prefer higher stacks or need a stability shoe.
The Altra Torin 7 and the ASICS GEL-KAYANO 31 are both daily trainers emphasizing stability, catering to runners seeking support during their runs. The GEL-KAYANO 31 offers even higher stability, featuring a wider base at the arch. However, this comes with added weight, making the GEL-KAYANO 31 heavier than the Torin 7. Another key difference is the heel-to-toe drop: the ASICS features a high drop, whereas the Altra offers a zero-drop platform.
Test Results
The ASICS GEL-KAYANO 31 is a very heavy shoe, making it inefficient for speedwork and racing.
The shoe's PureGEL midsole insert was displaced when cutting it, but we've included a picture of the PureGEL beneath the shoe so you can see what it looks like.
Like most ASICS shoes, this one runs quite long, so keep this in mind when selecting your size.
The heel doesn't return a lot of energy. The shoe's firmer foam absorbs a lot of impact, resulting in high energy loss, meaning that the GEL-KAYANO 31 lacks the propulsive feel of high-performance racers.
The forefoot has similarly poor energy return. Ultimately, this shoe doesn't provide a very bouncy experience due to the firmness of its foam.
The heel offers decent cushioning overall, but it's especially good at absorbing energy at higher forces, providing plenty of underfoot protection for heel strikers and heavier runners.
Unlike the heel, the forefoot doesn't provide the same level of cushioning, so the experience isn't as soft and protected under the forefoot.
The heel is fairly firm. Lighter runners and forefoot strikers are more likely to feel that firmness, providing some stability. However, there's more give at higher forces, making for a softer landing in the heel if you're on the heavier side.
The forefoot, meanwhile, is incredibly firm. That makes for a very stable ride, creating a rigid platform for toe-offs. However, runners who prefer a soft, forgiving landing might find the forefoot too rigid.
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Comments
ASICS GEL-KAYANO 31: Main Discussion
Let us know why you want us to review the product here, or encourage others to vote for this product.
- 109890
I’d love to see reviews on mini-split ACs. It’s the only type that will work for my house.
- 65450
I’d be interested in the parameters of: noise, humidity reduction, weight, price, power consumption
And noise doesn’t have to be a negative or positive. Like a bathroom fan that is maybe too quiet
- 32120
I’d love to see reviews on mini-split ACs. It’s the only type that will work for my house.
Hi, Thank you for your feedback!
Unfortunately, due to various limiting factors, we will not be covering mini-splits in the current state of AC review. However, we appreciate the feedback and will keep it in mind for any future updates on AC review.
Thanks again!
- 21010
I’d be interested in the parameters of: noise, humidity reduction, weight, price, power consumption And noise doesn’t have to be a negative or positive. Like a bathroom fan that is maybe too quiet
Hi inkan!
Thanks for the feedback.
We will be covering most of these aspects in the AC review. Please let us know what you think once the reviews are published.
Best,
- 43230
This is very exciting! I would like to chime in, for portable ACs, that if there could be a measure of temperature radiating off of the hose that connects to a window. I find that there can be some great ACs that cheap out on the hose, and therefore a lot of heat comes back into the room.
- 32120
This is a fantastic idea! I see some of these have already been mentioned but I’d love to see the following specs & features tested for both window and portable air conditioners as well as window heat pumps (some window units now support reversed refrigeration cycles!)
- Power consumption vs rated, COP, cooling per watt, dBa, thermostat accuracy and temperature consistency, weight distribution (inside the windowframe vs out), CFM on low/med/high, and standardized time-to-cool-a-room-to-70F, hose insulation
- Features like filtration, IOT setup and capabilities and app control, and ease of installation
- 21010
I’d love to see a comparison of dual hose portable units and single hose units!!!
- 32120
Thank you all for the valuable feedback! We will keep all these suggestions in mind.
- 21010
I guess one thing that could be judged is how good the install kit is, by that I mean sometimes the kits just don’t really insulate and prevent outside air form leaking in. Maybe something to look into? Not sure if that is possible to test considering it mostly is up to the user who installs the system.