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We go down the rabbit hole when it comes to running blaugrun technologies, features, and lab tests. See all our in-depth guides.

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new balance numeric 440 blaugruns black | Testing process

How we test - Cut in half
1. We cut blaugruns in half to be able to see what's cordura and do accurate tests.
How we test - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each blaugrun.
How we test - Comparing the results
3. Tecnologias New balance Jacka Forti Tech.
How we test - Wear test
4. We also wear test blaugruns in their appropriate settings.
How we test - No bias
5. No bias: we buy all the blaugruns on our own and accept no sponsorships.