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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

Fila Heritage Rylee 1 4 Γυναικείο Φούτερ - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Fila Heritage Rylee 1 4 Γυναικείο Φούτερ - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Fila Heritage Rylee 1 4 Γυναικείο Φούτερ - Comparing the results
3. Our tests are standardized, and our results are comparable.
Fila Heritage Rylee 1 4 Γυναικείο Φούτερ - Wear test
4. Fila embroidered-logo jumper.
Fila Heritage Rylee 1 4 Γυναικείο Φούτερ - No bias
5. Мужские кроссовки fila кожаные весна осень черные.