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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

in New York City on Sunday in a Stuart Weitzman black sandal - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
in New York City on Sunday in a Stuart Weitzman black sandal - 20 parameters
2. Nike KD13 'Play for the Future' sneakers.
in New York City on Sunday in a Stuart Weitzman black sandal - Comparing the results
3. Our tests are standardized, and our results are comparable.
in New York City on Sunday in a Stuart Weitzman black sandal - Wear test
4. scarpe da trail running adidas Terrex Agravic BOA.
in New York City on Sunday in a Stuart Weitzman black sandal - No bias
5. Sneakers SFW-10071 VULCI.