900+ shoes reviewed and cut in half

13 currently testing

14 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

R13 side logo-patch high-top sneakers Schwarz - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
R13 side logo-patch high-top sneakers Schwarz - 20 parameters
2. Playmaker Pro White Quarry Black Men Basketball Shoe.
R13 side logo-patch high-top sneakers Schwarz - Comparing the results
3. Shoe That Defined Sneaker Culture Celebrates 35th Anniversary.
R13 side logo-patch high-top sneakers Schwarz - Wear test
4. We also wear test shoes in their appropriate settings.
R13 side logo-patch high-top sneakers Schwarz - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.