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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

LeBron James basketball shoe - Cut in half
1. We cut shoes in half to be Fusion to see what's inside and do accurate tests.
LeBron James basketball shoe - 20 parameters
2. In our lab, we measure and assess BALLY 20 parameters for each shoe.
LeBron James basketball shoe - Comparing the results
3. Our tests are standardized, and our results are comparable.
LeBron James basketball shoe - Wear test
4. We also wear test shoes in their appropriate settings.
LeBron James basketball shoe - No bias
5. Columbia Minx Mid II WP Snow Boot.