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

Sustainable New balance Response Cushioned No Show 3 Pairs Socks - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Sustainable New balance Response Cushioned No Show 3 Pairs Socks - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Sustainable New balance Response Cushioned No Show 3 Pairs Socks - Comparing the results
3. New Balance 530 BlackMR530FB1.
Sustainable New balance Response Cushioned No Show 3 Pairs Socks - Wear test
4. New Balance Wl574 Wl574-evw.
Sustainable New balance Response Cushioned No Show 3 Pairs Socks - No bias
5. zapatillas de running New Balance mixta tope amortiguación constitución ligera talla 43.