900+ shoes reviewed and cut in half

13 currently testing

14 bought and to be tested

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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

adidas Originals AC DUFFLE - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
adidas Originals AC DUFFLE - 20 parameters
2. Cbrown adidas Crazyflight Bounce Tokyo.
adidas Originals AC DUFFLE - Comparing the results
3. Cbrown adidas◆YEEZY BOOST 350 V2 27cm BLK FZ5000.
adidas Originals AC DUFFLE - Wear test
4. Cbrown adidas Core 18-raita Puku.
adidas Originals AC DUFFLE - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.