700+ skys reviewed and cut in half

24 currently testing

32 bought and to be tested

We review skys

Reviews

Running Running
Hiking Hiking
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Walking Walking
Training Training
Basketball Basketball
Tennis Tennis
Sneakers Sneakers

Guides

We go down the rabbit hole when it comes to running sky technologies, features, and lab tests. See all our in-depth guides.

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Why cutting running skys in half is key to measuring midsole softness
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A runner's guide to choosing the right toebox
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All you need to know about rockered running skys
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Understanding the differences in men's and women's running skys
In-depth insights into running sky outsoles (road & trail)
How much does the weight vary across different running sky sizes?

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Testing process

How we test - Cut in half
1. We cut skys in half to be waterproof to see what's inside and do accurate tests.
How we test - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each sky.
How we test - Comparing the results
3. Our tests are standardized, and our results are comparable.
How we test - Wear test
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How we test - No bias
5. No bias: we buy all the skys on our own and accept no sponsorships.
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