I don’t know if you have heard of the built-in air cushion incident that made a big fuss last year. Although it has been a long time ago, it still reminds us that built-in air cushions are indispensable, and different shoes have different requirements for built-in air cushions. The editor of q6u.com still has a certain understanding of this built-in air cushion, so I will give you some popular science here

How to judge whether a pair of Nike shoes has a built-in air cushion

How do we judge whether a pair of Nike shoes has a built-in air cushion

The editor shares some tips

Teach you how to judge whether a pair of Nike shoes has a built-in air cushion without sawing the shoes apart

Try it on on your feet

Generally, shoes with built-in air cushions may have full-length or half-length air cushions. We only need to test the back palm. The specific method is: lift one foot, raise the toes of the other foot, place the heel on the ground, and use the weight of the body to press down to feel whether there is an air cushion. This method requires the tester to have certain experience. For example, the characteristic of the zoom air cushion is that the force point will obviously sink and rebound, while the ordinary solo air cushion will have an overall downward feeling due to its strong support.

Take out the insole and look at the insole

After taking out the insole, look carefully at the top of the insole. In recent years, shoes with air cushions usually have small holes like this on the insole under the insole. The location of the holes is where the air cushion is. This method of judgment is very simple and accurate. Let’s take a look at the disassembly diagram of this Jumpman Elite I.

The position of the green circle is the small hole exposing the air cushion

The built-in zoom air cushion at the corresponding position of the small hole

Look at the insole structure without small holes

For example, the Air Zoom Talaria below is a classic running shoe with a comfortable foot feel. Recently, many replicas have been released.

When this pair of shoes was dismantled, there was no small hole in the insole to reveal the air cushion, but its stitching method was different from now. There was a suture line from top to bottom in the center of the insole. When this line was opened, the air cushion was underneath. Shoes without air cushion generally do not need to be sewn in this way. This suture line can also identify whether there is an air cushion in the shoe. Press it again, and you can basically tell whether the softness and hardness are different from the one next to it.

Do you know the difference?

What is Nike’s built-in air cushion

NIKE air cushions have 5 basic forms: Air sole, Nike air Zoom, Nike air Max, Total air and Tuned air. Among them, Tuned air is hard to see.

At the 2017 CCTV 315 Party, it was exposed that Nike's HYPERDUNK 08 FTB air-cushion shoes did not have air cushions and were suspected of false advertising and faced consumer rights protection. The principle of the air cushion technology first developed by NIKE is to pour gas into a tough synthetic rubber layer at high pressure, and to process the gas poured into the rubber layer so that it cannot pass through the outer rubber layer.

Air sole

Air-Sole has a relatively balanced performance in terms of cushioning capacity, stability and response speed, and is a "moderate" air cushion.

Nike air Zoom

The name of the nike air zoom series comes from the unique air cushion unit developed independently in its technical configuration - zoom air. zoom air is an air cushion with a thickness of only 4-8mm. There is a three-dimensional fiber fabric fixed in it to maintain its flat shape (otherwise it will "bulge" into a ball shape), and the air pressure is 20 PSI. Zoom Air not only provides shock absorption effect, but also has excellent court feel, sensitive rebound effect and excellent acceleration performance. Therefore, it is widely used in outside basketball shoes (such as Flight series, AJ series) and speed running shoes (such as Air Zoom Miler series).

NIKE official website explains it as impact air cushion. Very thin, bringing the foot closer to the ground for improved stability.

It not only provides cushioning but also gives enough elasticity. Personally, I think it is softer and more comfortable than Max air, and is more suitable for outside players who are not heavy and can start quickly.

Nike air Max

It was originally U-shaped, and later developed into the Air Max2 with multiple sealed air chambers, and the tracheal-shaped Tube Max air. It has multiple zones and multiple pressures. The air pressure in the low-pressure area is 5PSI, and the air pressure in the high-pressure area is 25PSI. Max air has strong cushioning capabilities and can provide proper protection for feet and even knee joints, but the price paid is a loss of mobility. Mostly used for inside players.

Total air

The giant air cushion can be regarded as an enhanced version of Max air. The air cushion has a larger capacity and distribution area, covering the entire palm, and its performance is the same as Max air. Mostly used in running shoes, all-around shoes, and inside basketball shoes. The last pair of NIKE shoes Yao Ming wore after entering the NBA (he later switched to Reebok) used this technology, and the shoe was named Air Uptempo Ultramaitc.

Tuned air

Adjustable air cushion, with a hemispherical frame structure visible on the surface of the air cushion, used to adjust the balance during human movement at any time. It's basically hard to see now.

Mechanical shock absorption

SHOX

Elastic cushioning columns made of special materials have the functions of shock absorption and buffering at the same time. There are many criticisms. It is relatively hard. If the weight is not enough (less than 70KG), it is difficult to feel the presence of SHOX. And because SHOX has a different form and is taller than other technologies, it is easier to sprain your feet. It is not suitable for everyone. Most of those who wear it are those who can dance, such as VC, O'Neal, Matrix, Yi Jianlian, etc. (It should be pointed out that there are some differences between SHOX used in basketball shoes and SHOX used in running shoes due to different functions)

Impax

SHOX simple board has basically the same performance as SHOX.

I.P.S

NIKE's new shock-absorbing technology specially developed for Air Jordan XX uses 20 pieces of Phylon materials with different densities, thicknesses, sizes and positions to make relatively independent but organically coordinated columnar shock-absorbing ones.

The difference between an external air cushion and a built-in air cushion

The difference between an external air cushion and a built-in air cushion:

1. Literally one is inside and the other is outside, so the built-in air cushion cannot be seen, and you can only feel it when you put it on. The external air cushion can be seen.

2. The cushioning effect of built-in air cushions and external air cushions is actually the same. Shoes with external air cushions look better, but the probability of damage is greater than that of built-in air cushions. Moreover, if the external air cushion is broken, it will affect the appearance of the shoes. Even if the built-in air cushion is damaged and cannot be seen on the outside, at most it has no cushioning effect and can be worn as normal shoes.

From the practical point of view, it can be seen that the practicality of the built-in air cushion is better than that of the external air cushion. But if you simply want to choose shoes with a cool appearance, external air cushions are definitely the first choice.

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