900+ shoes reviewed and cut in half

13 currently testing

14 Nike Air Structure trainers

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

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Testing process

Nike Lebron 9 PS Championship 2012 - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Nike Lebron 9 PS Championship 2012 - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Nike Lebron 9 PS Championship 2012 - Comparing the results
3. nike air zoom vapor x hc black metallic gold tennis.
Nike Lebron 9 PS Championship 2012 - Wear test
4. We also wear test shoes in their appropriate settings.
Nike Lebron 9 PS Championship 2012 - No bias
5. las Nike Metcon 5.