ASICS GEL-Kayano 25 vs. Saucony Hurricane ISO 4 review

ASICS GEL-Kayano 25 provides comfort and stability to moderate overpronators. Saucony Hurricane ISO 4 offers stability, support, and a secure fit in a well-cushioned package...

The ASICS GEL-Kayano 25 and the Saucony Hurricane ISO 4 are stability running shoes for runners who moderately overpronate.

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The uppers of the ASICS GEL-Kayano 25 The preceding link takes you to Amazon.com and the Saucony Hurricane ISO 4 differ in that the upper of ASICS GEL-Kayano 25 is more open than that of the Saucony Hurricane ISO 4.

The Saucony Hurricane ISO 4 The preceding link takes you to Amazon.com comes with no-sew overlays around the midfoot and the heel, and the mesh is more closed around the midfoot and at the sides of the toe box than it is on top of the toe box.

In addition, there are separate sections in the saddle that can be adjusted and personalized to fit your foot the way you want them to.

The ASICS GEL-Kayano 25 provides more lightweight support in the form of underlays around the midfoot and the ASICS logo on the lateral side that holds the mesh in place.

It also has some no-sew overlays running along the saddle, around the collar, and at the front of the running shoe.

However, because the mesh is so open, the ASICS GEL-Kayano 25 might not only feel somewhat looser than the engineered mesh of the Saucony Hurricane ISO 4 but also feel more breathable.

While the Saucony Hurricane ISO 4 does not have overlays directly on the bunion window, the mesh is quite closed in that area, so the ASICS GEL-Kayano 25 might feel a bit more comfortable to runners who have big bunions.

Both running shoes come with extra support at the back in the form of an external heel counter, but the heel counter of the ASICS GEL-Kayano 25 is a bit studier and wraps the heel better to minimize heel rotation.

However, the entire area from midfoot to heel is quite closed on the Saucony Hurricane ISO 4, so it does deliver a good amount of support in those areas and not localized more at the back of the running shoe like in the ASICS GEL-Kayano 25.

All in all, the ASICS GEL-Kayano 25 might provide a bit more comfort through its upper than the Saucony Hurricane ISO 4, but the Saucony Hurricane ISO 4 provides a more secure and personalized fit than the ASICS GEL-Kayano 25, especially around the midfoot. The ASICS GEL-Kayano 25 might wrap the entire foot better, though, due to the type of mesh it uses and its internal fit system of no-sew underlays.

Both the ASICS GEL-Kayano 25 and the Saucony Hurricane ISO 4 are meant to deliver a good amount of cushioning to overpronators in addition to a good amount of support. Their midsoles are constructed differently, though.

The ASICS GEL-Kayano 25 comes with two layers of foam under the heel, with the bottom layer being more responsive than the top layer.

The bottom layer stops right past the midfoot, while the softer top layer continues on into the forefoot.

While the ASICS GEL-Kayano 25 is listed as having both forefoot and heel GEL cushioning, the GEL is only visible in the heel. This GEL is used to soften your landings.

Because the top layer of foam is quite thin under the heel, most of the stability of the ASICS GEL-Kayano 25 is located from heel to midfoot.

The Saucony Hurricane ISO 4 has one main layer of midsole foam with a topsole of EVERUN cushioning for heel-to-toe softness. However, the main layer also consists entirely of EVERUN.

The Saucony Hurricane ISO 4 is meant to deliver lots of plush cushioning, according the Saucony. Therefore, you can expect to get an overall soft ride from the Saucony Hurricane ISO 4.

The ASICS GEL-Kayano 25 also delivers an overall soft ride, but due to the more responsive layer of foam under the heel and midfoot, the amount of heel cushioning might be a bit less than the amount of forefoot cushioning.

Women get an extra 3 mm of height under their heels to take stress off their Achilles tendon, and this extra height generally increases the cushiness of the heel, so women are expected to get a bit more heel cushioning than men, and their ride might feel overall softer than the one of men.

The ASICS GEL-Kayano 25 is listed by ASICS as being for overpronators, while the Saucony Hurricane ISO 4 is listed by Saucony as being for moderate overpronators.

Both running shoes come with support on the medial side of the midsole, but the medial post of the Saucony Hurricane ISO 4 goes higher than the support area of the ASICS GEL-Kayano 25 due to the softer layer of foam right under the heel preventing it from going all the way up.

While both running shoes might cover a similar area of pronation, the Saucony Hurricane ISO 4 might deliver a somewhat stronger degree of pronation control despite the fact that it does not come with a midfoot shank like the ASICS GEL-Kayano 25 does.

This is all due to the length of the medial post as well as its height along the entire area of pronation control.

However, when you also take the sturdy external heel counter of the ASICS GEL-Kayano 25 into account, the amount of support delivered by the two running shoes might come closer to each other.

The Saucony Hurricane ISO 4 has a slight advantage, though, because it also provides full ground contact, which somewhat increases the stability of the running shoe and also helps you to achieve smoother heel-to-toe transitions.

The rubber outsoles of the two running shoes look quite different, with the outsole of the Saucony Hurricane ISO 4 having less separate areas of rubber than that of the ASICS GEL-Kayano 25.

The ASICS GEL-Kayano 25 also has more horizontal flex grooves in the forefoot than the Saucony Hurricane ISO 4, but they do not all run from side to side, which might increase stiffness, especially on the medial side.

The latter is a good thing, though, for overpronators who need that support.

While the Saucony Hurricane ISO 4 has a few deep vertical flex grooves, it only has cuts that go from side to side in the rubber.

Therefore, the outsole of the Saucony Hurricane ISO 4 is not set up in a way to benefit flexibility.

In addition, because both running shoes deliver a good amount of forefoot cushioning, they are not expected to be very flexible running shoes. However, stiffness benefits support.

The women's version of the ASICS GEL-Kayano 25 weighs approximately 9.8 oz (278 grams), and the Saucony Hurricane ISO 4 for women weighs 9.9 oz (281 grams).

The men's version of the the ASICS GEL-Kayano 25 weighs about 11.9 oz (337 grams), and the Saucony Hurricane ISO 4 for men weighs approximately 11.2 oz (318 grams).

The Saucony Hurricane ISO 4 and the ASICS GEL-Kayano 25 provide a lot of the same things to overpronators and come close to delivering a similar amount of support, although the Saucony Hurricane ISO 4 might be slightly ahead.

If you are a moderate overpronator, you could go with either the ASICS GEL-Kayano 25 or the Saucony Hurricane ISO 4.

The ASICS GEL-Kayano 25 is all about delivering a luxurious ride with enough support and cushioning to make you feel comfortable on the road.

The Saucony Hurricane ISO 4 is about delivering a plush ride and a good amount of support, not only through its upper but also through its midsole.

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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