900+ shoes reviewed and cut in half

13 currently testing

14 bought and to be tested

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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 fs lite trainer 4 green screen size imovie - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
nike fs lite trainer 4 green screen size imovie - 20 parameters
2. nike air vapormax violet dust black light.
nike fs lite trainer 4 green screen size imovie - Comparing the results
3. Our tests are standardized, and our results are comparable.
nike fs lite trainer 4 green screen size imovie - Wear test
4. We also wear test shoes in their appropriate settings.
nike fs lite trainer 4 green screen size imovie - No bias
5. nike womens air royalty dress pants size.