700+ shoes reviewed and cut in half

24 currently testing

32 adidas Performance Ultraboost 21 Mens Running Shoes

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Reviews

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Brunello Cucinelli Kids Verzierte Sneakers Rosa Brunello Cucinelli Kids Verzierte Sneakers Rosa
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Guides

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

The ultimate guide to running shoe foams
Why cutting running shoes in half is key to measuring midsole softness
The role of heel counters in running shoes
A runner's guide to choosing the right toebox
nike alphafly 3 atomknit 3 21208064 1440 21251583 250
The definitive guide to running shoe breathability
nike alphafly 3 023 21254779 250
All you need to know about rockered running shoes
Boni SergueÏ Boots
Understanding the differences in men's and women's running shoes
In-depth insights into running shoe outsoles (road & trail)
How much does the weight vary across different running shoe sizes?

Latest reviews

ASICS Gel Trabuco 12
ASICS Gel Trabuco 12
ASICS GT 1000 13
ASICS GT 1000 13
Nike SF Air Force 1 Boot Laser Orange
Nike SF Air Force 1 Boot Laser Orange
adidas adizero prime x 2 strung 21683218 250
Sneakers Marc Jacobs Hi Top Woven
Saucony Triumph 22
Saucony Triumph 22
On Cloudsurfer Trail
On Cloudsurfer Trail
Nike Pegasus Trail 5
Nike Pegasus Trail 5
Hoka Speedgoat 6
Hoka Speedgoat 6
Camper Walden lace-up shoes
Camper Walden lace-up shoes
On Cloudrunner 2
On Cloudrunner 2

Popular reviews

Hoka Clifton 9
Hoka Clifton 9
These boots use
These boots use
nike alphafly 3 2 21208136 250
Nike Alphafly 3
Stay fashionably warm and cozy this winter with Ugg slippers and boots
Stay fashionably warm and cozy this winter with Ugg slippers and boots
ASICS Novablast 4
ASICS Novablast 4
Brooks Ghost Max
Brooks Ghost Max
which is the tallest aspect of the shoe
which is the tallest aspect of the shoe
adidas Performance Adizero Adios 6 Men's Running Shoes
adidas Performance Adizero Adios 6 Men's Running Shoes
ASICS Superblast
ASICS Superblast
Nike Vaporfly 3
Nike Vaporfly 3

Testing process

Kids Keidha Sandal 3Q91094 Cipria B251 - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Kids Keidha Sandal 3Q91094 Cipria B251 - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Kids Keidha Sandal 3Q91094 Cipria B251 - Comparing the results
3. Our tests are standardized, and our results are comparable.
Kids Keidha Sandal 3Q91094 Cipria B251 - Wear test
4. el producto Nike Air Zoom Structure 23 Zapatillas de running Mujer Azul.
Kids Keidha Sandal 3Q91094 Cipria B251 - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.
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