500+ shoes reviewed and cut in half

36 currently testing

39 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 NITRELs.

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Testing process

zapatillas de running Under Armour neutro apoyo talón moradas - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
zapatillas de running Under Armour neutro apoyo talón moradas - 20 parameters
2. Șlapi Piper Slide Sandal SA803 Tan.
zapatillas de running Under Armour neutro apoyo talón moradas - Comparing the results
3. Our tests are standardized, and our results are comparable.
zapatillas de running Under Armour neutro apoyo talón moradas - Wear test
4. We also wear test shoes in their appropriate settings.
zapatillas de running Under Armour neutro apoyo talón moradas - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.