Guides

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

New Balance 520 U520SDB - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
New Balance 520 U520SDB - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
New Balance 520 U520SDB - Comparing the results
3. Our tests are standardized, and our results are comparable.
New Balance 520 U520SDB - Wear test
4. The New Balance 1906R Joins the Protection Pack.
New Balance 520 U520SDB - No bias
5. How do you style the New Balance 991.