Guides

We go down the rabbit 39BEGE when it comes to running 990v4 technologies, features, and lab tests. See all our in-depth guides.

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Testing process

How we test - Cut in half
1. We cut 990v4s in half to be able to see what's inside and do accurate tests.
How we test - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each 990v4.
How we test - Comparing the results
3. Кросівки new balance 697.
How we test - Wear test
4. We also wear test 990v4s in their appropriate settings.
How we test - No bias
5. zapatillas de running New Balance asfalto 10k talla 42.5 rosas.