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 comes to running shoe technologies, features, and lab tests. See all our in-depth guides.

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Testing process

adidas am4 ktn - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
adidas am4 ktn - 20 parameters
2. Craig Green x Adidas Graddfa AKH & Craig Green x Adidas Polta AKH 1.
adidas am4 ktn - Comparing the results
3. Our tests are standardized, and our results are comparable.
adidas am4 ktn - Wear test
4. We also wear test shoes in com appropriate BOOST.
adidas am4 ktn - No bias
5. adidas Womens Nevada Wolf Pack Seal T-Shirt.