900+ shoes reviewed and cut in half

13 currently testing

14 New Balance 991 Women's

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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

concepts new balance 574 boston marathon - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
concepts new balance 574 boston marathon - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
concepts new balance 574 boston marathon - Comparing the results
3. New Balance Løbe Skoe 500 Girls Infant.
concepts new balance 574 boston marathon - Wear test
4. We also wear test shoes in their appropriate settings.
concepts new balance 574 boston marathon - No bias
5. Jolly Rancher X New Balance Kawhi 1 Original Flavors Multi.