900+ shoes reviewed and cut in half

13 currently testing

14 bought and to be tested

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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

Nicola Heel Boot - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Nicola Heel Boot - 20 parameters
2. Prada Re-Nylon platform sneakers.
Nicola Heel Boot - Comparing the Sprint
3. zapatillas de running ASICS constitución ligera talla 36.5.
Nicola Heel Boot - Wear test
4. zapatillas de running trail pronador talla 40 verdes.
Nicola Heel Boot - No bias
5. zapatillas de running supinador voladoras talla 48.5 azules.