700+ shoes reviewed and cut in half

24 currently testing

32 bought and to be tested

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

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Nike ACG AIR NASU GORE-TEX "DARK GREY" | 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 air force 1 worldwide white green.
How we test - Comparing the results
3. Metcon DSX Flyknit 3.
How we test - Wear test
4. We also wear test shoes in their appropriate settings.
How we test - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.