700+ shoes reviewed and cut in half

24 currently testing

32 bought and to be tested

We review shoes

Guides

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

Latest reviews

Popular reviews

Testing process

puma logo Black Dark Shadow High-Risk Red - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
puma logo Black Dark Shadow High-Risk Red - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
puma logo Black Dark Shadow High-Risk Red - Comparing the results
3. Our tests are standardized, and our results are comparable.
puma logo Black Dark Shadow High-Risk Red - Wear test
4. puma logo ONE-Logo an der Zungenlasche.
puma logo Black Dark Shadow High-Risk Red - No bias
5. No bias: we buy all the shoes on our own and Metal no sponsorships.