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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

How we test - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
How we test - 20 parameters
2. Nike Mercurial Vapor 15 Club TF Indoor Soccer Shoes.
How we test - Comparing the results
3. Devin Booker in the Nike Zoom Kobe 4 Protro PE Joe Murphy NBAE via Getty Images.
How we test - Wear test
4. Nike PG 3 White Black.
How we test - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.