Brooks Adrenaline GTS 19 vs. Saucony Guide ISO 2

Brooks Adrenaline GTS 19 delivers subtle support and a smooth ride to overpronators. Saucony Guide ISO 2 provides stability, support, and a custom fit to overpronators...

The Brooks Adrenaline GTS 19 and the Saucony Guide ISO 2 are running shoes that deliver a moderate amount of stability and support to runners who tend to turn their feet or rotate their ankles inward during the gait cycle.

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The uppers of the Brooks Adrenaline GTS 19 The preceding link takes you to Amazon.com and the Saucony Guide ISO 2 have two different goals in mind.

The upper of the Saucony Guide ISO 2 The preceding link takes you to Amazon.com is geared towards delivering a custom fit, while that of the Brooks Adrenaline GTS 19 is geared towards delivering mainly comfort.

Both running shoes have an upper that has a forefoot that is quite open with a minimum amount of overlays, but the Brooks Adrenaline GTS 19 is the one that might deliver more room and comfort in the toe box due to the fact that the open area from forefoot to midfoot is more unobstructed in the Brooks Adrenaline GTS 19 than it is in the Saucony Guide ISO.

Both running shoes also have an area that runs from midfoot to heel that is quite closed, but whereas the Brooks Adrenaline GTS 19 uses mostly a closed structure of mesh and 3D Fit Print overlays to provide support in that area, the Saucony Guide ISO 2 uses a different type of material that would deliver a bit more support than only mesh would.

Another difference between the uppers of the Brooks Adrenaline GTS 19 and that of the Saucony Guide ISO 2 is that the Saucony Guide ISO 2 provides customization through individual eyelets in the saddle.

In addition, Saucony states that the footbed of the Saucony Guide ISO 2 is also meant to deliver a custom fit.

The amount of support delivered through the uppers of the two running shoes is not over-the-top, so both running shoes deliver lightweight support through their uppers.

All in all, you should be able to get a good amount of comfort from the upper of either running shoe, with the Brooks Adrenaline GTS 19 delivering lots of comfort in the toe box and the Saucony Guide ISO 2 a more custom fit overall.

Both the Saucony Guide ISO 2 and the Brooks Adrenaline GTS 19 are meant to deliver a good amount of cushioning to runners but are not meant to be super plush.

While Saucony has not published the cushioning scale for the Saucony Guide ISO 2, they have listed it as providing plush cushioning.

The Saucony Guide ISO is a running shoe that is meant to feel responsive, so while it is meant to deliver plush cushioning, the amount of cushioning is not meant to be so plush that you are held back.

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The Brooks Adrenaline GTS 19 is also a running shoe that is meant to feel responsive but still provide enough cushioning to keep you comfortable on the road.

In addition, unlike the Saucony Guide ISO 2, it comes with a crash pad under the heel on the lateral side that consists of a softer type of cushioning than the cushioning in the main layer of midsole foam.

Nonetheless, the Brooks Adrenaline GTS 19 has still been found to deliver a moderate amount of heel cushioning to both men and women.

The crash pad under the heel of the Brooks Adrenaline GTS 19 is meant to absorb shock at heel-strike and then guide you through a smoother transition from heel to toe.

The Saucony Guide ISO 2 does not come with a separate crash pad under the heel, although its rubber under the heel does indicate that it has a crash zone.

Another difference is that the Saucony Guide ISO 2 comes with a topsole construction that places a layer of softer foam closer to the foot that is meant to give you heel-to-toe cushioning and energy return.

Both running shoes deliver a good amount of ground contact, which encourages smoother heel-to-toe transitions in addition to adding a bit more stability to the running shoes.

The crash pad is not the only difference in the midsoles of the two running shoes, though.

The Saucony Guide ISO 2 and the Brooks Adrenaline GTS 19 use two entirely different methods of delivering stability and support to overpronators.

The Saucony Guide ISO 2 has a piece of firmer foam on the medial side, which is a more traditional way of delivering stability and support to overpronators.

The Brooks Adrenaline GTS 19 makes use of a more advanced system of delivering support through what Brooks calls Guide Rails.

Guide Rails are elevated sections along the upper edge of the midsole that are meant to help your body and joints align themselves. They do not force your foot to move in a certain way and should not get in the way of neutral runners, so in a sense, the Brooks Adrenaline GTS 19 could also be worn by neutral runners.

Brooks claims that the Guide Rails help tackle knee injuries.

However, this change in the way of delivering stability and support has placed the Brooks Adrenaline GTS 19 a bit lower on the stability and support scale and brought it much closer to the Saucony Guide ISO 2.

Saucony has listed the Saucony Guide ISO 2 as being good for mild to severe overpronators.

However, because the medial post is not very long and is located in a region that would suit the average overpronator, I would say that the Saucony Guide ISO 2 would be good for mild and moderate overpronators just like the Brooks Adrenaline GTS 19 would be.

Previous versions of the Brooks Adrenaline were suitable for overpronators who got close to being severe overpronators.

The outsoles of the Brooks Adrenaline GTS 19 and the Saucony Guide ISO 2 look quite different in the way they have been set up, but both running shoes come with a crash zone under the heel that displays more segmentation in the Brooks Adrenaline GTS 19 than in the Saucony Guide ISO 2.

The rubber pods in the outsole of the Brooks Adrenaline GTS 19 are also smaller and more plentiful than the rubber in the outsole of the Saucony Guide ISO 2, but the Saucony Guide ISO 2 has more flex grooves than the Brooks Adrenaline GTS 19.

One could say that the outsole of the Brooks Adrenaline GTS 19 has been set up in a way to disperse shock well to give you a smoother ride.

Because both the Saucony Guide ISO 2 and the Brooks Adrenaline GTS 19 are supposed to deliver a good amount of cushioning, they are expected to be on the stiff side, but stiffness is good for runners who need support.

The Saucony Guide ISO 2 is a bit lighter than the Brooks Adrenaline GTS 19 for both men and women.

If you are a mild or moderate overpronator who is looking for a smooth ride with enough cushioning to keep you comfortable on the road, you could turn to either the Brooks Adrenaline GTS 19 or the Saucony Guide ISO 2.

The main difference between the Saucony Guide ISO 2 and the Brooks Adrenaline GTS 19 is the way in which they deliver stability and support.

Their uppers also differ somewhat, with the Saucony Guide ISO 2 delivering a more custom fit than the Brooks Adrenaline GTS 19.

In the end, the Saucony Guide ISO 2 might prove to be more supportive than the Brooks Adrenaline GTS 19, but if you suffer from knee pain, you might want to give the Brooks Adrenaline GTS 19 with its subtle support a try.

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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