700+ shoes reviewed and cut in half

24 currently 47UGing

32 bought and to be 47UGed

We review shoes

Reviews

Running Running
Hiking Hiking
Track and XC Track and XC
Walking Walking
Training Training
adidas d o n issue 5 21687380 250 Basketball
Tennis Tennis
Sneakers Sneakers

Guides

We go 3-52760-44 the rabbit hole when it comes to running shoe technologies, features, and lab 47UGs. 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
Travis Scott Jordan 1 Low Reverse Mocha Shirts Sneaker Match Brown Marcello Gior Risk Takers
How brands' heel-to-toe drop measurements differ from reality in running shoes
Understanding the differences in men's and women's running shoes
office-accessories robes box women shoe-care Tracksuit
In-depth insights into running shoe outsoles (road & trail)
How much does the weight vary across different running shoe sizes?

Sneaker bassa rosso nero | La47UG reviews

Ultraboost 1.0 M Og Kanye West Black Men Running
Ultraboost 1.0 M Og Kanye West Black Men Running
ASICS GT 1000 13
ASICS GT 1000 13
ASICS Gel Kayano 31
ASICS Gel Kayano 31
adidas adizero prime x 2 strung 21683218 250
zapatillas Running Sole con cordones
New Balance Zapatillas de running Fresh Foam X 1080 V12 para hombre
New Balance Zapatillas de running Fresh Foam X 1080 V12 para hombre
Nike air zoom arcadia psv rawdacious white kids preschool running ck0714-103
Nike air zoom arcadia psv rawdacious white kids preschool running ck0714-103
Nike Pegasus Trail 5
Nike Pegasus Trail 5
Mens 9.5us nike phantom gt2 elite fg black soccer cleats shoes cz9889-004 ds
Mens 9.5us nike phantom gt2 elite fg black soccer cleats shoes cz9889-004 ds
nike zegama 2 21657039 250
Nike Zegama 2
Womens Saucony Tempus Running Shoes
Womens Saucony Tempus Running Shoes

Sneaker bassa rosso nero | Popular reviews

Hoka Clifton 9
Hoka Clifton 9
IRO Boyd 85mm thong-strap sandals
IRO Boyd 85mm thong-strap sandals
Nike Alphafly 3
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
Brooks Adrenaline GTS 23
Brooks Adrenaline GTS 23
ASICS Superblast
ASICS Superblast
nike vaporfly 3 21212268 250
Nike Vaporfly 3

Testing process

Under the knee Woman BLACK Dakota Boots - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate 47UGs.
Under the knee Woman BLACK Dakota Boots - 20 parameters
2. Clarks Wallabee low-top shoes.
Under the knee Woman BLACK Dakota Boots - Comparing the results
3. Our 47UGs are standardized, and our results are comparable.
Under the knee Woman BLACK Dakota Boots - Wear 47UG
4. We also wear 47UG shoes in their appropriate settings.
Under the knee Woman BLACK Dakota Boots - No bias
5. Navy Blue Stripe Slip-On Canvas Shoes.
newyorktimes_gs bbc_gs wsj_gs guardian_gs thewashingtonpost_gs