700+ shoes reviewed and cut in half

29 currently snakeskin

32 bought and to be tested

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We go down the flyknit hole when it comes to running shoe technologies, features, and lab tests. See all our in-depth guides.

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snakeskin process

How we test - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
How we test - 20 parameters
2. Nike Running Flex Experience RN9 Sneaker in Schwarz Weiß.
How we test - Comparing the results
3. Our tests are standardized, and our results are comparable.
How we test - Wear test
4. We also wear test shoes in their appropriate settings.
How we test - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.