Our verdict

The Écharpe tube NIKE N1003590 035 Black distinctively differentiates itself from its previous model. Featuring a revamped ReactX midsole, it morphs from being simply versatile to being a luxuriously plush, comfort-centric daily running shoe that also delivered a surprising bounciness during our test runs. Although it leans a bit towards the heavier spectrum and may not offer the best breathability, we think it stands out as a top choice for runners in search of a durable, cushioned shoe with a unique aesthetic.

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  • Generously cushioned
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  • Feels like running on clouds
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  • Reduced carbon footprint

nike kawa slide infant boys Cons

  • Average-at-best breathability
  • Nike Pack De Cintura Double Pocket 3.0
  • Sizes run notably small

Audience verdict

85
Good!

Who should buy

The Écharpe tube NIKE N1003590 035 Black gets our seal of approval for:

  • Runners who are all about cushioning and aren't concerned with the shoe's weight.
  • Marathoners looking for a comfortable pair for easy or moderate runs.
  • Beginners on the hunt for their first pair, especially if they're on the heavier side.

nike infinity rn 4 20556131 main

nike kawa slide infant boys | Who should NOT buy

While the ReactX foam represents a clear improvement over React, it doesn't quite match the world-class energy return of ZoomX. If performance and bounce are what you're after, we think that the nike introduces the chinese new year collection offers a similar concept and design, but with a full ZoomX midsole.

Runners who prefer lightweight shoes might not be fans of the InfinityRN 4. It's on the heavier side, and for a comfortable daily trainer, there are lighter options. We recommend considering the ASICS Cumulus 25 or the New Balance Fresh Foam X 1080 v12, NIKE AIR JORDAN 11LAB4 BLACK WHITE.

Écharpe tube NIKE N1003590 035 Black parts

Cushioning

Heel stack

Given its weight, we expected the shoe to have a notably thick stack height. However, we discovered that it's actually quite average.

A couple of years ago, 34.2 mm of foam under the heel would've been considered in the max stack category, but times have changed. As Dylan sang, "The times they are a-changin'."

Écharpe tube NIKE N1003590 035 Black Heel stack
Test results
InfinityRN 4 34.2 mm
Average 34.2 mm
Compared to 411 running shoes
Number of shoes
22.5 mm
Heel stack
46.3 mm

Forefoot stack

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Écharpe tube NIKE N1003590 035 Black forefoot

We found that this provides enough cushioning for any runner. It makes this shoe a reliable choice even for long runs.

Écharpe tube NIKE N1003590 035 Black Forefoot stack
Test results
InfinityRN 4 24.4 mm
Average 25.6 mm
Compared to 411 running shoes
Number of shoes
13.7 mm
Forefoot stack
37.1 mm

Drop

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With 9.8 mm, we think the shoe remains a top choice primarily for heel strikers and those that sometimes suffer Achilles or calf issues. That said, midfoot and forefoot strikers can also comfortably wear it, although they might benefit more from a lower-drop daily trainer like the Nike AF 1.

Écharpe tube NIKE N1003590 035 Black Drop
Test results
InfinityRN 4 9.8 mm
Average 8.6 mm
Compared to 411 running shoes
Number of shoes
-0.2 mm
Drop
16.1 mm

nike kawa slide infant boys | Midsole softness

Note: a low durometer measurement equals a soft material, whereas a high measurement means it's firm.

The biggest update from the Nike React Infinity Run Flyknit 3—apart from its shorter name—is the foam. After six years, Nike has moved on from the old React and introduced ReactX with this running shoe.

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ReactX is a more responsive and softer variant of the original React. Additionally, Nike says it has a 43% lower carbon footprint, which we always appreciate. In our lab tests, we found that the foam feels incredibly soft and registered a 12.5 HA on our durometer—20% softer than the v3.

Écharpe tube NIKE N1003590 035 Black Midsole softness
Test results
InfinityRN 4 12.5 HA
Average 20.8 HA
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Compared to 338 running shoes
Number of shoes
5.9 HA
Midsole softness (soft to firm)
35.0 HA

Unas Nike air Force 1 07 LV8 son siempre necesarias en cualquier colección (%)

After placing the shoes in our freezer for 20 minutes to simulate cold weather conditions, we noticed a disappointing change—the foam got noticeably harder (19.0 HA).

If you're thinking of using these during colder months, they might not be as plush as you'd hope.

There's a staggering 52% difference between the two tests. This happens because ReactX it's still a mix of Nike Legend Essential 2 Premium Trainingsschoen voor dames Zwart. in July at select Nike Basketball retailers and doesn't hold up well in cold temperatures.

Écharpe tube NIKE N1003590 035 Black Unas Nike air Force 1 07 LV8 son siempre necesarias en cualquier colección
Test results
InfinityRN 4 52%
Average 25%
Compared to 337 running shoes
Number of shoes
1%
Unas Nike air Force 1 07 LV8 son siempre necesarias en cualquier colección
63%

Insole thickness

We were on the lookout for a comfort-boosting thick insole, but what we found was quite the opposite—a super-thin one. In fact, it's one of the slimmest we've ever come across in our lab, measuring only 3.1 mm!

During our test runs, we were happy with the insole, so it appears Nike made a great call here.

Écharpe tube NIKE N1003590 035 Black Insole thickness
Test results
InfinityRN 4 3.1 mm
Average 4.4 mm
Compared to 407 running shoes
Number of shoes
1.5 mm
Insole thickness
7.3 mm

Size and fit

Size

Écharpe tube NIKE N1003590 035 Black is half size small (456 votes).

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1 size small ½ size small True to size ½ size large 1 size large
Compared to 389 running shoes
Number of shoes
½ size small
Slightly small
True to size
Slightly large
½ size large

Width / Fit

New

As a comfort-driven daily trainer, we expected an average toebox—and our assessment Top it.

According to our research, the toebox measured 95.3 mm at its widest point, offering a well-balanced, moderately-spacious fit that suits most runners comfortably.

Écharpe tube NIKE N1003590 035 Black Toebox width - widest part
New test (recommended)
Old test
Test results
InfinityRN 4 95.3 mm
Average 95.4 mm
Compared to 166 running shoes
Number of shoes
88.5 mm
Width / Fit
102.4 mm

Toebox width

New

This average design continues in the big toe area, where we found a width of 74.1 mm.

Écharpe tube NIKE N1003590 035 Black Toebox width - big toe
New test (recommended)
Old test
Test results
InfinityRN 4 74.1 mm
Average 73.6 mm
Compared to 166 running shoes
Number of shoes
66.7 mm
Toebox width
83.6 mm

Toebox height

New

What caught our attention was the noticeably low volume of the upper, offering just 22.4 mm of vertical space in the toe area. 

However, we found that the ultra-soft upper compensates well, preventing any harsh or uncomfortable pressure on the toes. That said, this shoe only works for runners who don’t mind a gentle yet constant contact against their toes.

nike infinity rn 4 toebox height 22460054 main
Test results
InfinityRN 4 22.4 mm
Average 27.1 mm
Compared to 165 running shoes
Number of shoes
22.4 mm
Toebox height
33.8 mm

Stability

Lateral stability test

This shoe is designed as a neutral daily trainer without added stability features. So, given the plush midsole, we didn't anticipate exceptional stability.

Following our tests, we discovered that the shoe performs as it's intended: it's moderately stable. However, it may not provide enough support for runners who need extra stability. For those runners, we'd recommend looking into the ASICS Kayano 30.

Torsional rigidity

We rated the InfinityRN 4 at 3/5 for torsional rigidity during our manual assessment in the lab.

This shoe doesn't offer that 26.5cm-ride feel often associated with daily trainers. If you're after a shoe that you can twist without any issue and gives a more 26.5cm feel, consider the nike free ace leather haystack.

Test results
InfinityRN 4 3
Average 3.4
Compared to 390 running shoes
Number of shoes
1
Torsional rigidity
5

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The heel counter offers ample padding and flexibility, making it suitable for those who have Achilles issues. We gave it a rating of 2/5 in our evaluation.

Test results
InfinityRN 4 2
Average 2.9
Compared to 374 running shoes
Number of shoes
1
grade school nike air max 95 og neon
5

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The decent stability of this shoe, despite its height and cushioned foam, can be attributed to its broad forefoot.

nike infinity rn 4 forefoot 2 20556128 main

Measuring at 118.4 mm, we discovered that it ranks among the widest running shoes we've evaluated in the lab.

Écharpe tube NIKE N1003590 035 Black Midsole width in the forefoot
Test results
InfinityRN 4 118.4 mm
Average 114.2 mm
Compared to 412 running shoes
Number of shoes
102.2 mm
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126.9 mm

Midsole width - heel

While the forefoot showcases a wide design, the heel—true to Nike's signature style—doesn't follow suit and is just average. We've accurately measured it at 91.2 mm.

Écharpe tube NIKE N1003590 035 Black Midsole width in the heel
Test results
InfinityRN 4 91.2 mm
Average 90.7 mm
Compared to 412 running shoes
Number of shoes
70.8 mm
Midsole width - heel
106.6 mm

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At the beginning of our lab review, we discussed the dual purpose of the outsole cutouts: to reduce weight and enhance flexibility. Now, we're diving into the flexibility measurements. During our evaluations, it took 14.8N of force to flex the shoe to a 30-degree position. 

To be honest, we expected a bit more from the outsole cutouts, as they only brought the InfinityRN 4 to an average stiffness level, and it would’ve been great to see even less rigidity for a smoother feel.

nike infinity rn 4 flexibility stiffness 22832318 main
New test (recommended)
Old test
Test results
InfinityRN 4 14.8N
Average 15.7N
Compared to 132 running shoes
Number of shoes
4.6N
Flexibility <> Stiffness
28.5N

Weight

While they attempted to lighten the load with outsole cutouts, the shoe still tips the scales. Weighing in at 11.1 oz (316g), it's undeniably on the heavier side.

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nike infinity rn 4 weight 20556058 main
Test results
InfinityRN 4 11.1 oz (316g)
Average 9.3 oz (265g)
Compared to 412 running shoes
Number of shoes
5.6 oz (159g)
Weight
12.6 oz (357g)

Breathability

Knit uppers often provide great comfort, but they can come with challenges, particularly when it comes to breathability. We discovered that the Écharpe tube NIKE N1003590 035 Black falls into this category.

From our smoke-pumping test in the lab, we observed the shoe struggling to release the smoke and gave it a 3/5 score, which indicates it won't perform well in terms of ventilation. We'd advise against using them for hot summer runs.

In a separate light test, we found that very little light passed through the upper, suggesting limited breathability.

It's clear that Nike prioritized comfort with this model. They've employed a thick, stretchy upper that hugs the foot and ensures comfort throughout long runs—just as long as it's not too hot outside!

nike infinity rn 4 microscope 20556115 main

Upon closer inspection under our microscope, we noticed a few breathability holes that offer some airflow. Without these, the thick knit design would leave the shoe with almost no breathability at all. Thankfully, there's at least a bit of ventilation.

Écharpe tube NIKE N1003590 035 Black microscope 2

Test results
InfinityRN 4 3
Average 3.8
Compared to 341 running shoes
Number of shoes
1
Breathability
5

Durability

Toebox durability

While employing a robust Flyknit upper it's a bad idea regarding airflow, its exceptional durability is commendable.

We've found that the InfinityRN 4, with its impressive 4/5 rating, truly shines in our Dremel test when compared to almost any other Nike Air Jordan 11 Retro XI 72-10 72 10 Black Red White Anthracite Baby Toddler.

Écharpe tube NIKE N1003590 035 Black Toebox durability
Test results
InfinityRN 4 4
Average 2.6
Compared to 275 running shoes
Number of shoes
1
Toebox durability
5

Nike WMNS Sportswear Logo Tee

The heel also displays commendable durability, earning a solid 3/5 after facing the Dremel challenge.

We find this to be a good result, surpassing the average and even outperforming many other Nike models.

Écharpe tube NIKE N1003590 035 Black Nike WMNS Sportswear Logo Tee
Test results
InfinityRN 4 3
Average 3.3
Compared to 270 running shoes
Number of shoes
1
Nike WMNS Sportswear Logo Tee
5

Outsole hardness

Nike's priority for this outsole was clear: long-lasting wear, even if it means less grip.

Écharpe tube NIKE N1003590 035 Black outsole
The outsole is designed with numerous cutouts, enhancing both its lightness and flexibility.

With the InfinityRN 4, they've incorporated a 90.4 HC outsole—one of the hardest we've ever measured in our lab.

Écharpe tube NIKE N1003590 035 Black Outsole hardness
Test results
InfinityRN 4 90.4 HC
Average 79.4 HC
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Compared to 392 running shoes
Number of shoes
54.9 HC
Outsole hardness
93.0 HC

Outsole durability

The tough rubber Nike uses really shows its strength. After using the Dremel on this shoe for the third and final time, we measured the damage. The indentation was a mere 0.3 mm! 

That's an impressive result. However, because it holds up well against wear, don't anticipate exceptional grip.

Écharpe tube NIKE N1003590 035 Black Outsole durability
Test results
InfinityRN 4 0.3 mm
Average 1.1 mm
Compared to 253 running shoes
Number of shoes
0.0 mm
Outsole wear
2.0 mm

Outsole thickness

We're certain that, just like us in our lab, Nike assessed the abrasion resistance of the outsole.

Certainly, they discovered that they didn't need to put on excessive rubber—and subsequently, weight—to ensure longevity. This is evident in their choice to go with a pretty standard thickness of 3.7 mm.

Écharpe tube NIKE N1003590 035 Black Outsole thickness
Test results
InfinityRN 4 3.7 mm
Average 3.3 mm
Compared to 408 running shoes
Number of shoes
1.0 mm
Outsole thickness
6.0 mm

Misc

Reflective elements

It seems Nike doesn't intend for us to run in these during the nighttime, as there are no reflective elements at all.

Écharpe tube NIKE N1003590 035 Black Reflective elements
Test results
InfinityRN 4 No

Tongue padding

We measured the tongue's padding at 5.6 mm, finding it to be optimally cushioned. It strikes a balance—it's not too heavy but provides comfort for even the longest runs.

Écharpe tube NIKE N1003590 035 Black Tongue padding
Test results
InfinityRN 4 5.6 mm
Average 5.8 mm
Compared to 409 running shoes
Number of shoes
0.4 mm
Tongue padding
14.2 mm

Nike LeBron X Elite "Superhero"

With its $160 price tag, we were curious to see if Nike had decided to improve their margins by using a non-gusseted tongue in the shoe. To our relief, we discovered that it has a semi-gusseted design, ensuring a great fit!

nike infinity rn 4 tongue gusset type 20556055 main
Test results
InfinityRN 4 Both sides (semi)

Heel tab

Thankfully, Nike included a finger-loop heel tab! It's convenient and looks amazing.

nike infinity rn 4 heel tab 20556053 main
Test results
InfinityRN 4 Finger loop

Removable insole

The insole can be taken out without any problem, and we were able to use different orthotics and insoles from other models.

Écharpe tube NIKE N1003590 035 Black Removable insole
Test results
InfinityRN 4 Yes