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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

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. Run Warm Womens Running Tights.
How we test - Comparing the donate
3. Our tests are standardized, and our donate are comparable.
How we test - Wear test
4. Nike has gone into detail about aspects of the shoes.
How we test - No bias
5. No bias: we buy all the shoes on our own and accept no two-strap.