Saucony Guide 10 vs. Saucony Guide ISO review

Saucony Guide 10 provides a very cushy, smooth, and comfortable ride to overpronators. Saucony Guide ISO delivers the same but then with ISOFIT in the upper...

The Saucony Guide ISO is the successor to the Saucony Guide 10, which is a stability running shoe for runners who moderately overpronate and who may have medium to low arches.

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The biggest change when going from the Saucony Guide 10 to the Saucony ISO can be found in the upper, where the Saucony Guide ISO now implements ISOFIT.

The Saucony Guide 10 The preceding link takes you to Amazon.com has a good coverage of no-sew overlays from the midfoot to the back of the running shoe combined with lighter no-sew overlays in the forefoot.

The Saucony Guide ISO The preceding link takes you to Amazon.com comes with no-sew overlays around the midfoot that can be pulled tight and adjusted through the laces.

There is also a small, thin overlay running over the big toe, but the Saucony Guide ISO has much less overlays on its toe box than the Saucony Guide 10 does.

Both running shoes implement an engineered mesh upper, but the mesh of the Saucony Guide 10 is a bit more open than that of the Saucony Guide ISO.

The backs of both running shoes are sealed with no-sew overlays, but the Saucony Guide 10 looks a bit more durable than the Saucony Guide ISO.

All in all, the changes to the upper of the Saucony Guide ISO should not have a big impact on the amount of support you get; both running shoes offer a similar amount of support.

However, the toe box might feel a bit less constricted in the Saucony Guide ISO than in the Saucony Guide 10.

The midsoles of both the Saucony Guide 10 and the Saucony Guide ISO have an EVERUN topsole construction that is meant to enhance energy return and provide continuous cushioning throughout your runs.

The Saucony Guide 10 provides a large amount of forefoot cushioning and an above average amount of heel cushioning and is typically overall cushier for men than for women, according to running shoe lab test results.

Running shoe lab tests have also found that the Saucony Guide 10 for women is a bit cushier than the Saucony Guide ISO for women in both the heel and the forefoot.

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The same thing goes for the men's versions of the running shoes. What is quite noticeable is the fact that the amount of heel cushioning in the Saucony Guide ISO falls below average, so the heel might feel a bit firm to men and women.

The midsole of the Saucony Guide ISO has been updated a bit in construction, and the area of support on the medial side covers a similar area at the bottom but is a bit narrower at the top.

Nonetheless, the medial post runs high in both running shoes, so you should be able to get a similar amount of stability and support from either, although running shoe lab tests have rated the Saucony Guide 10 to be just a tiny bit more stable than the Saucony Guide ISO.

The rubber outsoles of the Saucony Guide ISO and the Saucony Guide 10 look largely the same, but there have been a couple of minor adjustments made to the rubber compartments, especially under the heel.

The rubber under the crash zone of the Saucony Guide ISO is a little better separated for shock absorption and dissipation.

The Saucony Guide 10 has a bit more rubber than the Saucony Guide ISO right under the medial post.

The Saucony Guide ISO has lost a small flex groove right under the toes but seems to have gained a vertical separation on the lateral side.

The amount of main flex grooves is about the same in both running shoes, though.

The Saucony Guide 10 offers an average amount of flexibility to both men and women, but running shoe lab tests have found the Saucony Guide ISO to be on the stiff side for both men and women.

The women's Saucony Guide ISO weighs about 8.9 oz (253 grams), and the Saucony Guide 10 for women weighs about 8.4 oz (238 grams).

The men's Saucony Guide ISO weighs about 10.5 oz (298 grams), and the Saucony Guide 10 for men weighs approximately 10.1 oz (287 grams).

If you are a moderate overpronator who is not only looking for a good amount of stability and support but who also wants a soft and smooth ride, you could choose either the Saucony Guide 10 or the Saucony Guide ISO.

The Saucony Guide 10 has experienced minor tweaks to create the Saucony Guide ISO, with the main change being the introduction of ISOFIT in the upper of the Saucony Guide ISO, so the running experience should be more or less the same but the upper might feel a bit different.

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: Saucony

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