700+ shoes Hierroed and cut in half

24 currently testing

32 bought and to be tested

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Indigenous woman use running as a form of activism | Guides

We go down the travel hole when 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
Prefer a hiking boot that offers excellent arch support and grip on various terrain types
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
Nicholas Kirkwood Peggy sandals Metallic
How brands' heel-to-toe drop measurements differ from reality in running shoes
Embrace adventure and travel with the ™ Dynamic Boot
In-depth insights into running shoe outsoles (road & trail)
How much does the weight vary across different running shoe sizes?

Latest Hierros

ASICS Gel Trabuco 12
ASICS Gel Trabuco 12
ASICS GT 1000 13
ASICS GT 1000 13
ASICS Gel Kayano 31
ASICS Gel Kayano 31
Adidas terrex ax4 primegreen hiking shoes blue rush core black turbo gz3009
Adidas terrex ax4 primegreen hiking shoes blue rush core black turbo gz3009
Saucony Triumph 22
Saucony Triumph 22
Gives Her Lacy Gown a Edge in Chunky Combat Boots for 2021 SAG Awards
Gives Her Lacy Gown a Edge in Chunky Combat Boots for 2021 SAG Awards
Nike Pegasus Trail 5
Nike Pegasus Trail 5
Hoka Speedgoat 6
Hoka Speedgoat 6
Nike Zegama 2
Nike Zegama 2
On Cloudrunner 2
On Cloudrunner 2

Popular Hierros

Hoka Clifton 9
Hoka Clifton 9
Indigenous woman use running as a form of activism
Indigenous woman use running as a form of activism
nike alphafly 3 2 21208136 250
Nike Alphafly 3
Hoka Mach 6
Hoka Mach 6
ASICS Novablast 4
ASICS Novablast 4
Brooks Ghost Max
Brooks Ghost Max
Brooks Glycerin 21
Brooks Glycerin 21
SALVATORE FERRAGAMO BORG FLORAL SNEAKERS
SALVATORE FERRAGAMO BORG FLORAL SNEAKERS
ASICS Superblast
ASICS Superblast
Nike Vaporfly 3
Nike Vaporfly 3

Indigenous woman use running as a form of activism | Testing process

Zig Dynamica Black White Women Running Sports Shoe - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Zig Dynamica Black White Women Running Sports Shoe - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Zig Dynamica Black White Women Running Sports Shoe - Comparing the results
3. Sneakers ER 5-23651-28 Navy 805.
Zig Dynamica Black White Women Running Sports Shoe - Wear test
4. We also wear test shoes in their appropriate settings.
Zig Dynamica Black White Women Running Sports Shoe - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.
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