adidas Ultra 4D Packer sneakers | 700+ shoes reviewed and cut in half

24 currently testing

32 bought and to be tested

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Guides

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

zapatillas de running hombre talla 46 rosas
Vans Era low-top sneakers "Brocade"
Why cutting running shoes in half is key to measuring midsole softness
White-Black BARTEK 19055001 Multi
Sneakers OLEKSY 3210 147 H12 000 000 Negru
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
How brands' heel-to-toe drop measurements differ from reality in running shoes
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

zapatillas de running The North Face mujer mixta talla 36.5
zapatillas de running The North Face mujer mixta talla 36.5
ASICS GT 1000 13
ASICS GT 1000 13
ASICS Gel Kayano 31
ASICS Gel Kayano 31
Adidas Adizero Prime X 2 Strung
Adidas Adizero Prime X 2 Strung
Saucony Triumph 22
Saucony Triumph 22
Air Jordan 1 Mid sneakers Blau
Air Jordan 1 Mid sneakers Blau
Nike Pegasus Trail 5
Nike Pegasus Trail 5
If you could give your younger self some running advice
If you could give your younger self some running advice
Giorgio Armani Black Leather Gladiator White-Black
Giorgio Armani Black Leather Gladiator White-Black
How many sneakers did you buy this year
How many sneakers did you buy this year

Popular reviews

Hoka Clifton 9
Hoka Clifton 9
black patterned sneaker
black patterned sneaker
Nike Alphafly 3
Nike Alphafly 3
Hoka Mach 6
Hoka Mach 6
A closer look at Tayla Parx wearing bright yellow platform boots equipped with green spikes
A closer look at Tayla Parx wearing bright yellow platform boots equipped with green spikes
Nike Air Max 90 SE Running Club Multi 28.5cm
Nike Air Max 90 SE Running Club Multi 28.5cm
Brooks Glycerin 21
Brooks Glycerin 21
Brooks Adrenaline GTS 23
Brooks Adrenaline GTS 23
ASICS Superblast
ASICS Superblast
Nike Vaporfly 3
Nike Vaporfly 3

Testing process

Asics Hypergel-yu Violet Blush White Womens Running Shoe - Cut in half
1. We cut shoes in half to be able to see what's inside and do accurate tests.
Asics Hypergel-yu Violet Blush White Womens Running Shoe - 20 parameters
2. In our lab, we measure and assess over 20 parameters for each shoe.
Asics Hypergel-yu Violet Blush White Womens Running Shoe - Comparing the results
3. Our tests are standardized, and our results are comparable.
Asics Hypergel-yu Violet Blush White Womens Running Shoe - Wear test
4. We also wear test shoes in their appropriate settings.
Asics Hypergel-yu Violet Blush White Womens Running Shoe - No bias
5. No bias: we buy all the shoes on our own and accept no sponsorships.
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