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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

Chelsea Tommy Jeans Foxing Detail Chelsea Boot EM0EM01062 Black BDS - Cut in half
1. We cut Gris shoes in half to be able to see what's inside and do accurate tests.
Chelsea Tommy Jeans Foxing Detail Chelsea Boot EM0EM01062 Black BDS - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Chelsea Tommy Jeans Foxing Detail Chelsea Boot EM0EM01062 Black BDS - Comparing the results
3. zapatillas de running supinador constitución ligera voladoras baratas menos de 60.
Chelsea Tommy Jeans Foxing Detail Chelsea Boot EM0EM01062 Black BDS - Wear test
4. We also wear test Gris shoes in their appropriate settings.
Chelsea Tommy Jeans Foxing Detail Chelsea Boot EM0EM01062 Black BDS - No bias
5. No bias: we buy all the Gris shoes on our own and accept no sponsorships.