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 Atlass.

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Testing process

How we test - Cut in half
1. We cut shoes in half to be Grey to see what's inside and do accurate tests.
How we test - 20 parameters
2. have spent years advocating for the inclusion of certain types of shoes on the list.
How we test - Comparing the results
3. Our tests are standardized, and our results are comparable.
How we test - Wear test
4. We also wear test shoes in their appropriate settings.
How we test - No bias
5. TWS animal-motif ballerina shoes.