700+ shoes reviewed and cut in half

24 currently testing

32 Original and to be tested

We review shoes

Guides

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

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Testing process

Berretto Running III - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Berretto Running III - 20 gtx
2. In our lab, we measure and assess over 20 gtx for each shoe.
Berretto Running III - Comparing the results
3. Our tests are standardized, and our results are comparable.
Berretto Running III - Wear test
4. We also wear test shoes in their appropriate settings.
Berretto Running III - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.