Brooks Adrenaline GTS 19 vs. ASICS GEL-Kayano 25

Brooks Adrenaline GTS 19 delivers subtle support and a smooth ride to overpronators. ASICS GEL-Kayano 25 provides comfort and stability to moderate overpronators...

The Brooks Adrenaline GTS 19 and the ASICS GEL-Kayano 25 are stability running shoes for runners who moderately overpronate, so who turn their feet or ankles inward during the gait cycle.

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Whereas the Brooks Adrenaline used to score much higher in stability and support than the ASICS GEL-Kayano in the past, things changed with the introduction of the ASICS GEL-Kayano 25 and the Brooks Adrenaline GTS 19 The preceding link takes you to Amazon.com.

The ASICS GEL-Kayano used to be listed as a running shoe that could be worn by both neutral runners and overpronators, so the amount of support was more on the mild side to accommodate neutral runners.

The ASICS GEL-Kayano 25 The preceding link takes you to Amazon.com is listed by ASICS as a running shoe that is for overpronators, which means that the amount of support delivered by the ASICS GEL-Kayano increased a bit when the ASICS GEL-Kayano 25 was introduced.

The Brooks Adrenaline underwent a change in the way it delivers support and has switched to a system that delivers more subtle support than the system in previous versions of the running shoe.

The system used by the Brooks Adrenaline GTS 19 to deliver support should not get in the way of neutral runners, so in essence, the Brooks Adrenaline GTS 19 could be worn by neutral runners and overpronators.

But let's not get ahead of ourselves and just take a look at the ASICS GEL-Kayano 25 and the Brooks Adrenaline GTS 19.

Their uppers provide lightweight support and both running shoes are quite open in the forefoot, which means that you should be able to get lots of comfort in the toe box.

However, while the Brooks Adrenaline GTS 19 has its overlays running from halfway midfoot to heel on the outside, the ASICS GEL-Kayano 25 comes with underlays so has its support system hidden inside the running shoe.

This also means that it could have some underlays around the toe box that might provide more constriction than the mesh the Brooks Adrenaline GTS 19 uses with some structure in the forefoot.

The mesh of the ASICS GEL-Kayano 25 is more open than that of the Brooks Adrenaline GTS 19 from forefoot to heel, so the Brooks Adrenaline GTS 19 might deliver a somewhat more secure fit from midfoot to heel.

However, what the ASICS GEL-Kayano 25 has that the Brooks Adrenaline GTS 19 does not is an external heel counter that wraps both the upper and lower part of the heel to not only provide a secure heel fit but also help with stabilizing the heel as you rotate inwards as an overpronator.

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All in all, you should be able to get a good amount of comfort and lightweight support from both running shoes, and the support delivered by the uppers is more concentrated at the back of both running shoes.

The biggest differences between the Brooks Adrenaline GTS 19 and the ASICS GEL-Kayano 25 can be found in their midsoles.

For starters, the ASICS GEL-Kayano 25 and the Brooks Adrenaline GTS 19 have midsoles that have been constructed differently.

The Brooks Adrenaline GTS 19 comes with one main layer of midsole foam that delivers a good amount of cushioning, and then it has a well-segmented crash pad under the heel on the lateral side, which is meant to deliver shock absorption at heel-strike.

The crash pad consists of material that is meant to deliver more cushioning than the main midsole material, and it joins up with the main midsole material under the midfoot so that you can get smoother heel-to-toe transitions.

However, while the crash pad is meant to deliver more cushioning than the main midsole material, the Brooks Adrenaline GTS 19 has not been found to have a softer heel than its forefoot.

The amount of forefoot and heel cushioning is about on the same level for women, and men get more forefoot cushioning than heel cushioning.

The ASICS GEL-Kayano 25 does not have a separate crash pad in its midsole like the Brooks Adrenaline GTS 19, but it comes with GEL cushioning in the heel between two layers of foam to provide shock absorption at heel-strike.

The midsole of the ASICS GEL-Kayano 25 has a similar construction as that of the Brooks Adrenaline GTS 19 with one layer in the forefoot and two under the heel, but whereas the Brooks Adrenaline GTS 19 only has two layers on the lateral side under the heel, the ASICS GEL-Kayano 25 has them on both sides.

The second layer of foam under the heel of the ASICS GEL-Kayano 25 is supposed to be more responsive and thus also a bit firmer than the foam in the forefoot.

Therefore, both men and women can expect to get a bit more forefoot cushioning than heel cushioning from the ASICS GEL-Kayano 25.

In addition, the ASICS GEL-Kayano 25 comes with a support system on the medial side that helps stop the feet of overpronators from rolling too far inward.

The ASICS GEL-Kayano 25 also comes with a midfoot shank that delivers midfoot integrity and support but that also prevents the running shoe from delivering as much ground contact as the Brooks Adrenaline GTS 19, which does not have a midfoot shank.

The Brooks Adrenaline used to have a small midfoot shank and a long medial post to control overpronation, but this changed with the introduction of the Brooks Adrenaline GTS 19.

The Brooks Adrenaline GTS 19 now comes with Guide Rails, which is a more discrete way of delivering stability and support compared to the long medial post the Brooks Adrenaline used to have.

Guide Rails are meant to help your body and joints align themselves, and Brooks claims that they have been introduced in the Brooks Adrenaline GTS 19 to tackle knee pain.

Some runners say they work in giving support, but if you have been running in a previous version of the Brooks Adrenaline, just know that the Brooks Adrenaline GTS 19 might feel different on your feet.

The ASICS GEL-Kayano 25 has more stability features than the Brooks Adrenaline GTS 19, so might also turn out to deliver more stability and support than the Brooks Adrenaline GTS 19.

In terms of a soft ride, they are almost on par with each other, with the ASICS GEL-Kayano 25 delivering a bit more forefoot cushioning and the Brooks Adrenaline GTS 19 a bit more heel cushioning.

The outsoles of the Brooks Adrenaline GTS 19 and the ASICS GEL-Kayano 25 have also been set up differently, with the Brooks Adrenaline GTS 19 displaying overall more segmentation and separation, which are all good for helping you to get a much smoother ride.

The ASICS GEL-Kayano 25 has large areas of rubber, but it also comes with a vertical flex groove that is meant to help with gait efficiency and which the Brooks Adrenaline GTS 19 does not have.

Both running shoes have a minimum amount of flex grooves in the forefoot and because they deliver a good amount of forefoot cushioning, they tend to be on the stiff side, but the Brooks Adrenaline GTS 19 has been found to be a bit stiffer than the ASICS GEL-Kayano 25 for both men and women. However, stiffness is good for runners who need support.

The ASICS GEL-Kayano 25 is a bit heavier than the Brooks Adrenaline GTS 19 but not by much. They have weights that differ just a few tenths of ounces from each other.

If you are a moderate overpronator who is looking for a comfortable and smooth ride, you could look into the Brooks Adrenaline GTS 19.

The ride might be a bit less smooth in the ASICS GEL-Kayano 25, but the ASICS GEL-Kayano 25 has tooling in both its upper and midsole to give overpronators the support they need and might turn out to be more than what the Brooks Adrenaline GTS 19 can give.

However, if you are suffering from knee pain, you could give the Brooks Adrenaline GTS 19 a try to see whether it helps or not.

Note: The weight of a running shoe depends on the size of the running shoe, so any weights mentioned in this review may differ from the weight of the running shoe you choose to wear. Running shoes of the same size were compared for this review.

The two links above will take you to Amazon.com where you can read more about the running shoes.


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