Chaussures Running 4Uture Sport AC K | 900+ shoes reviewed and cut in half

15 currently testing

12 bought and to be tested

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

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Testing process

The PR4 training shoe - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
The PR4 training shoe - 20 parameters
2. Studio Chofakian Westin leather sandals.
The PR4 training shoe - Comparing the results
3. Glyn two-tone wedge sandals.
The PR4 training shoe - Wear test
4. Lemaire zipped ankle boots.
The PR4 training shoe - No bias
5. YEEZY Season 4 Military Boots.