700+ shoes reviewed and cut in half

24 currently extraing

32 bought and to be extraed

We review shoes

Reviews

Running Running
Hiking Hiking
Track and XC Track and XC
Walking Walking
Training Training
Basketball Basketball
Tennis Tennis
Sneakers Sneakers

Guides

We go down the rabbit hole when it comes to running shoe technologies, crdy, and lab extras. See all our in-depth guides.

The ultimate guide to running shoe foams
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The role of heel counters in running shoes
A runner's guide to choosing the right toebox
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The definitive guide to running shoe breathability
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All you need to know about rockered running shoes
How brands' heel-to-toe drop measurements differ from reality in running shoes
Understanding the differences in men's and women's running shoes
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In-depth insights into running shoe outsoles (road & trail)
How much does the weight vary across different running shoe sizes?

Laextra reviews

ASICS Gel Trabuco 12
ASICS Gel Trabuco 12
shoes ecco vitrus i 64033401001 black
shoes ecco vitrus i 64033401001 black
ASICS Gel Kayano 31
ASICS Gel Kayano 31
Nike air huarache unisex sneakers dd1068-104
Nike air huarache unisex sneakers dd1068-104
slides tommy hilfiger stripy wedge beach sandal fw0fw047940 rwb
slides tommy hilfiger stripy wedge beach sandal fw0fw047940 rwb
On Cloudsurfer Trail
On Cloudsurfer Trail
Nike Pegasus Trail 5
Nike Pegasus Trail 5
Hoka Speedgoat 6
Hoka Speedgoat 6
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On Cloudrunner 2
On Cloudrunner 2

Popular reviews

Hoka Clifton 9
Hoka Clifton 9
Hoka Bondi 8
Hoka Bondi 8
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Nike Alphafly 3
Hoka Mach 6
Hoka Mach 6
ASICS Novablast 4
ASICS Novablast 4
buttero futura low top sneakers item
buttero futura low top sneakers item
online shopping shoes sales increase report
online shopping shoes sales increase report
buy kat maconie dusty kicker heel boot
buy kat maconie dusty kicker heel boot
ASICS Superblast
ASICS Superblast
Nike Vaporfly 3
Nike Vaporfly 3

Testing process

How we extra - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate extras.
How we extra - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
How we extra - Comparing the results
3. Our extras are standardized, and our results are comparable.
How we extra - Wear extra
4. We also wear extra shoes in their flux settings.
How we extra - No bias
5. Created in collaboration with another one of our favorite woman-owned shoe labels.
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