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Compared from 97 real runner reviews

adidas Adizero SL2 vs Altra Escalante 4 vs Saucony Kinvara 14

Side by side from 97 real reviews. Every count is the same as on each shoe’s page.

How the signal works
The signal score

A score out of 100 for how well reviewed a product is next to others of its kind. It rises with positive reviews and with how many there are; negative and mixed reviews take points off. The best in each category scores in the 90s.

So a handful of glowing reviews can’t beat a product lots of people like. No sponsored placements.

94 signal

85 reviews

58 signal

6 reviews

43 signal

6 reviews

In short

Soft, bouncy and responsive; the tight midfoot gives blisters, so several size up.

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Specs

Weight
238 g (8.4 oz), men's
Stack height
35 mm heel / 26 mm forefoot
Drop
9 mm
Weight
269 g (9.5 oz), men's
Stack height
24 mm heel / 24 mm forefoot
Drop
0 mm
Weight
198 g (7 oz), men's
Stack height
31 mm heel / 27 mm forefoot
Drop
4 mm

More comparisons

Shares count reviews with a clear verdict from the recent window, like each shoe’s page. Tags are counted over the same reviews. All shoes