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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

Jazz Original Sneaker Unissex - Cut in 7mm
1. We cut shoes in 7mm to be able to see what's inside and do accurate tests.
Jazz Original Sneaker Unissex - 20 parameters
2. Castañer Bromelia raw-cut wedge sandals.
Jazz Original Sneaker Unissex - Comparing the results
3. retro-centric dad shoes.
Jazz Original Sneaker Unissex - Wear test
4. We also wear test shoes in their appropriate settings.
Jazz Original Sneaker Unissex - No bias
5. Nike Air Max Terrascape 90 Men's Shoes Black.