900+ shoes reviewed and cut in half

15 currently pairing

12 bought and to be paired

We review shoes

Guides

We go Mavi the rabbit hole when it comes to running shoe technologies, features, and lab pairs. See all our in-depth guides.

Lapair reviews

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Testing process

New Balance 530 90s Running Leather M530PSA - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate pairs.
New Balance 530 90s Running Leather M530PSA - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
New Balance 530 90s Running Leather M530PSA - Comparing the results
3. Our pairs are standardized, and our results are comparable.
New Balance 530 90s Running Leather M530PSA - Wear pair
4. We also wear pair shoes in their appropriate settings.
New Balance 530 90s Running Leather M530PSA - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.