ASICS GEL-Kayano 24 vs. Adidas Ultra Boost review

ASICS GEL-Kayano 24 provides softness, comfort, and a touch of stability to overpronators. Adidas Ultra Boost provides lots of bounce and cushioning with a bit of support...

The ASICS GEL-Kayano 24 and the Adidas Ultra Boost fall in two different categories of running shoes, with the ASICS GEL-Kayano 24 being a stability running shoe and the Adidas Ultra Boost a neutral cushioning running shoe.

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However, ASICS states that the ASICS GEL-Kayano 24 can also be worn by neutral runners, so in that respect, it could also compete with the Adidas Ultra Boost.

The uppers of both the ASICS GEL-Kayano 24 The preceding link takes you to Amazon.com and the Adidas Ultra Boost come with a minimum amount of overlays.

However, whereas the ASICS GEL-Kayano 24 comes with underlays and an overlay in the form of the ASICS logo on the lateral side, the Adidas Ultra Boost comes with a sturdy no-sew overlay that wraps the midfoot on both sides.

The Adidas Ultra Boost The preceding link takes you to Amazon.com is similar to the ASICS GEL-Kayano 24 in that its upper should not constrict too much, because it is knitted. The ASICS GEL-Kayano 24 does not have a knitted upper, but its mesh is engineered to provide structure as well as comfort.

Another similarity between these two running shoes is that both provide a good amount of support behind the heel by making use of an external heel counter.

While the heel cage of the Adidas Ultra Boost is different to the external heel counter of the ASICS GEL-Kayano 24, they achieve a similar result, although the heel counter of the ASICS GEL-Kayano 24 might be better to prevent heel rotation as experienced by overpronators.

All in all, you should be able to get enough support from the upper of either running shoe, but the Adidas Ultra Boost might be the one to provide a more secure fit around the midfoot.

Both the Adidas Ultra Boost and the ASICS GEL-Kayano 24 are meant to provide runners with a soft ride.

The ASICS GEL-Kayano 24 does this through two layers of foam, with the one closest to the foot being the softest and the one closer to the ground the more responsive one.

There is GEL cushioning in the heel and in the forefoot between those two layers to soften your ride even more.

The Adidas Ultra Boost is different in that it has one layer of foam in its midsole. However, this one layer provides quite a bit of cushioning, according to running shoe lab tests, which show that the amount is almost to the maximum.

Therefore, whether you run in the Adidas Ultra Boost or the ASICS GEL-Kayano 24, you should be able to get a soft and comfortable ride, although the Adidas Ultra Boost is expected to deliver a much softer ride than the ASICS GEL-Kayano 24.

Another similarity between the Adidas Ultra Boost and the ASICS GEL-Kayano 24 is that they have a midfoot shank to provide midfoot integrity and support.

This midfoot shank is combined with a support system on the medial side of the midsole of the ASICS GEL-Kayano 24 to help stop the feet of overpronators from rolling too far inward.

But because the ASICS GEL-Kayano 24 can also be worn by neutral runners, the amount of pronation control is mild to moderate.

The Adidas Ultra Boost also comes with a midfoot shank that extends toward the medial side of the midsole to provide stability, support, and midfoot integrity.

The two systems of midfoot support used by the Adidas Ultra Boost and the ASICS GEL-Kayano 24 are generally placed at a similar level when compared by running shoe lab tests.

The rubber outsoles of the two running shoes differ quite a bit due to the fact that the Adidas Ultra Boost provides more ground contact than the ASICS GEL-Kayano 24.

Both have a good amount of rubber under them, but the Adidas Ultra Boost has smaller pods in a web-like structure, so flex grooves do not really separate the rubber as well as in the outsole of the ASICS GEL-Kayano 24.

Therefore, the ASICS GEL-Kayano 24 is expected to be a bit more flexible than the Adidas Ultra Boost, but the Adidas Ultra Boost might deliver a smoother ride.

The women's version of the Adidas Ultra Boost weighs approximately 9.3 oz (264 grams), and the ASICS GEL-Kayano 24 for women also weighs 9.3 oz (264 grams).

The men's versions of the shoes weigh 11.1 oz (315 grams) and 11.3 oz (320 grams), respectively, with the Adidas Ultra Boost being the lighter one.

If you are a neutral runner who is looking for a soft ride, you could go with either the ASICS GEL-Kayano 24 or the Adidas Ultra Boost, although the latter might provide a softer and smoother ride.

If you are an overpronator, the ASICS GEL-Kayano 24 was made to provide you with support. However, because it provides a moderate amount that is similar to the amount provided by the Adidas Ultra Boost, you could consider the latter too. Just try them on to see which one would suit you better.

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.


This review falls under: ASICS

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