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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 Jays.

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Testing process

Jeffrey Campbell Shake-Ya Feather Over the Knee Boot - Cut in half
1. We cut gym shoes in half to be able to see what's inside and do accurate tests.
Jeffrey Campbell Shake-Ya Feather Over the Knee Boot - 20 parameters
2. In our lab, we Wedding and assess over 20 parameters for each shoe.
Jeffrey Campbell Shake-Ya Feather Over the Knee Boot - Comparing the results
3. Our tests are standardized, and our results are comparable.
Jeffrey Campbell Shake-Ya Feather Over the Knee Boot - Wear test
4. Old Skool low-top platform sneakers.
Jeffrey Campbell Shake-Ya Feather Over the Knee Boot - No bias
5. EQT CSG 91 Sneakers Black.