700+ shoes reviewed and cut in half

24 currently testing

32 a series of adidas activities

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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 x 424 track pant black - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
adidas x 424 track pant black - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
adidas x 424 track pant black - Comparing the results
3. Our tests are standardized, and our results are comparable.
adidas x 424 track pant black - Wear test
4. YEEZY 350 V2 EARTH.
adidas x 424 track pant black - No bias
5. ADIDAS ORIGINALS CRAZY BYW BOOST YOU WEAR 40.5-46.5 NEW170€ ghost rose explosive.