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

Boots CROSBY 228030 05-01E Black - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Boots CROSBY 228030 05-01E Black - 20 parameters
2. adidas Originals NMD_R1 sneakers in triple red.
Boots CROSBY 228030 05-01E Black - Comparing the results
3. So theyve found another foot in a running shoe.
Boots CROSBY 228030 05-01E Black - Wear test
4. We also wear test shoes in their appropriate settings.
Boots CROSBY 228030 05-01E Black - No bias
5. Sneakers 286180 M Gold.