Saucony Triumph ISO 2 vs. ASICS GEL-Kayano 21 review

Saucony Triumph ISO 2 offers plushness and a secure fit to neutral runners. ASICS GEL-Kayano 21 provides a secure fitting upper and a very plush ride to moderate overpronators.

NEW! Saucony Triumph ISO 2 vs. ASICS GEL-Kayano 22 and Saucony Triumph ISO 3 vs. ASICS GEL-Kayano 23

The Saucony Triumph ISO 2 and the ASICS GEL-Kayano 21 fall in two entirely different categories of running shoes with the ASICS GEL-Kayano 21 being a stability running shoe and the Saucony Triumph ISO 2 a neutral running shoe.

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However, while the Saucony Triumph ISO 2 The preceding link takes you to Amazon.com and the ASICS GEL-Kayano 21 fall in two different categories, they do have a lot in common.

First off, the ASICS GEL-Kayano 21 and the Saucony Triumph ISO 2 provide a good amount of support around the midfoot.

The ASICS GEL-Kayano 21 does this through stitched-on overlays that form the ASICS logo, while the Saucony Triumph ISO 2 has broad ISOFIT overlays that wrap your midfoot around mesh.

And then at the back, both the Saucony Triumph ISO 2 and the ASICS GEL-Kayano 21 come with an external heel counter to lock your heel in place.

They both also have no-sew overlays in their upper although the ASICS GEL-Kayano 21 has more of them than the Saucony Triumph ISO 2.

The forefoot of the Saucony Triumph ISO 2 is more open than that of the ASICS GEL-Kayano 21 so might feel a bit looser and more comfortable.

All in all, you should be able to get a similar amount of support from the upper of either the ASICS GEL-Kayano 21 or the Saucony Triumph ISO 2.

Another similarity between the ASICS GEL-Kayano 21 and the Saucony Triumph ISO 2 is that both are meant to provide runners with a soft running experience. This is achieved through their midsoles.

The ASICS GEL-Kayano 21 comes with two layers of foam in its midsole and GEL cushioning in the heel and in the forefoot to soften your ride.

The Saucony Triumph ISO 2 comes with one main layer of foam but adds a top layer of softer foam just under the sockliner and in the heel.

Running shoe lab tests confirm that both the ASICS GEL-Kayano 21 and the Saucony Triumph ISO 2 are running shoes that offer cushioning that is almost to the max.

The cushioning profiles of the two running shoes are also quite similar and equal with just tiny differences.

For men, the ASICS GEL-Kayano 21 is a small bit more cushy than the Saucony Triumph ISO 2 in both the heel and the forefoot.

For women, their heel cushioning is about the same, but the Saucony Triumph ISO 2 provides just a small bit more forefoot cushioning than the ASICS GEL-Kayano 21.

The biggest difference between the ASICS GEL-Kayano 21 and the Saucony Triumph ISO 2 is the fact that the ASICS GEL-Kayano 21 is meant to provide stability and support, while the Saucony Triumph ISO 2 is not.

The ASICS GEL-Kayano 21 comes with a support system on the medial side of the midsole in addition to a midfoot shank that increases the amount of support under the midfoot.

The Saucony Triumph ISO 2 does not come with any devices to control overpronation, but because it provides a good amount of ground contact and more than the ASICS GEL-Kayano 21, it provides some degree of stability and especially smoothness when transitioning from heel to toe.

According to running shoe lab tests, the ASICS GEL-Kayano 21 provides a slightly above average amount of stability and support, while the Saucony Triumph ISO 2 provides an average amount of stability and support.

The amount of separation in the outsoles of the ASICS GEL-Kayano 21 and the Saucony Triumph ISO 2 is great enough to dissipate shock. The Saucony Triumph ISO 2 displays a bit more separation than the ASICS GEL-Kayano 21 in the forefoot, though.

Both the ASICS GEL-Kayano 21 and the Saucony Triumph ISO 2 have very cushy forefeet, which could cause them to feel stiff.

The latter is confirmed by running shoe lab tests, which indicate that the Saucony Triumph ISO 2 is quite stiff for both men and women.

And while the ASICS GEL-Kayano 21 is also stiff, it is noticeably more flexible than the Saucony Triumph ISO 2 for both men and women.

The women's version of the Saucony Triumph ISO 2 weighs approximately 8.6 oz (244 grams), and the ASICS GEL-Kayano 21 for women weighs 9.5 oz (269 grams).

The men's versions of the shoes weigh 10.4 oz (295 grams) and 11.3 oz (320 grams), respectively, with the Saucony Triumph ISO 2 being the lighter one.

If you are a neutral runner who is looking for a soft ride, you could choose either the ASICS GEL-Kayano 21 or the Saucony Triumph ISO 2.

The ASICS GEL-Kayano 21 is a stability running shoe, but because it does not provide a very strong degree of pronation control, it can also be worn by neutral runners.

If you are a moderate overpronator, you would probably be better off to consider the ASICS GEL-Kayano 21 more than the Saucony Triumph ISO 2.

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 | Saucony

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