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Adidas Ultra Boost 2019 Performance Review

Dating back to 2014 when Adidas has just newly released the powerful tech known as Boost, this brand had been very popular among sneaker fans, and since then its well-known position was further facilitated. Just as the old saying goes,”Strike while the iron is hot.” So with the decently good performance of Boost tech, Adidas shortly reshaped many classic models, such as TMAC Millennium, Adidas Stan Smith, green tail and Adidas superstar Boost. It is generally believed that all these honor should be owned to the Boost.


Later in 2015, a well-known Boost midsole series, the UltraBOOST ,once declared as “the best running shoe with fantastic tech” and thought highly of , rose in response to the proper time and conditions. And with the success of UltraBoost series, then in 2018 Adidas again rolled out the Adidas UltraBOOST 19. Here let’s go checking.


Firstly, let’s start from the conventional step: get a closer look at the shoe box. There is nothing special in this ordinary yellow and white box. If you are a long-term fan of UltraBoost, you won’t find any highlight in the box.


In fact, being capable of copping one pair of Adidas UltraBoost 19, I feel more than delighted and honored. Frankly speaking, I am a loyal fan of Adidas for many years. In spite of the fact, I still felt excited the moment I got the parcel, and I had always been suspecting what its appearance.


Upon opening the box, I got quite a start at its good-looking. Even if it was newly released, there is not any foul smell of glue. And I also found it super light, which is more than suitable for either hikers or runners who want the same cushy ride whether they’re at mile 1 or mile 20.


I’ve overheard before that the 2019 model packs even more Boost and has a sock-like upper. Well, to detect whether it is true or not, I would care to take the chance and put the shoes through tests.


Featuring a Primeknit 360 woven construction rather than using a knit upper that really covers only the top half of your foot and is tacked to the midsole at the edges, this upper could not only wrap the wearer’s foot excellently well, but offer a sock-like feeling. As is seen in the images, the red threads in the forefoot, which are also knit through the midfoot, is a distinctive design and is devised to stretch. Whenever and wherever you go, it gives you a secure feeling while it can constrict you like more traditional overlays.


Installed in the midsole are two TPU pieces which are very soft and whose breathable mesh is designed more for decoration. So it is not what you personally see is always true; it might sometimes deceive you.



Some might ask that what is Primeknit 360 woven tech? Well, the picture below will give you an answer.


For the insole, it is made of the lightweight EVA material commonly used in the Climacool version. Another point worth noticing is that the designer has added a slightly velvet design in the insole, making the owner super comfortable. Seemingly ordinary as it is, Adidas UltraBOOST 19 has finally returned to this nice design.


The heel as well has a a red stripe. Besides, there is a flexible wire wrapped inside a padded sleeve, giving you support and stability when landing.


So when it comes to the cushion, as has been said before, there is more Boost with a reported 20% increase in energy return in it. Adidas also mentions that it has packed 20 percent more Boost into the midsole thanks to fusing the TPU pellets differently. According to many fans, they position UltraBoost 19 the softest expression of the UltraBoost series. The foot feel remains plush, and in addition, it is just springy and mushy than the former versions. In short, the shoe feels springy and well-cushioned under any circumstance.


The Adidas equips the UltraBOOST 19 with the brand’s signature Torsion Spring anti-twist system, which is actually simple but effective.


With  respect to the outsole, its pattern is seemingly more complicated. Adidas has changed the previous dot outsole unit into an irregular trapezoidal unit one which is officially named as the Stretchweb mesh outsole. Well, for those wanting a long-wearing companion, there is no need worrying about durability for this is made of durable ContinentalTM horse rubber. There are small lugs underfoot, diamond-shaped with hard edges, giving you a little extra hold on slick surfaces and dirt roads. Rugged as it is, it does have an excellent grip. Here I’d mention that you should be careful because it lacks any protection from rocks and sticks, which is based on my test.


And the laces are the regular ones that are generally seen.

Finally, the fit, which is equally important as the other settings. But for a nice fit, the wearers could run into an awful experience. As for me, the shoe fits true to size and wears splendidly comfortable. Maybe it is the fit or any other that impresses me a lot , anyway, it is the best among UltraBoost series from my own perspective.



Behind the usual fashion orientated noise that proceeds this Adidas UltraBoost 19’s launch. Well, it is widely recognized that the life pace of present days is much too fast and it seems that people are always in a hurry. So why not slow down now? Going out for a running or climbing with this UltraBoost 19 would be a good choice. Besides, Adidas have been working hard on their flagship running shoe. And now this new model is also destined to be popular, which is in recognition of Adidas’ effort.






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Nike Epic React Flyknit Vs. Adidas BOOST,A head-to-head performance review

For past many  years, adidas’ BOOST  has been on top which the boost tech or the design, and we’ve been waiting to see what Nike’s response would be for just as long. We can’t begin to guess the timeframe that the Swoosh work on, but many would posture that no matter how good Nike’s new React may be?Nike will be come back again in the running shoes ?

We will check the difference for these two pair of shoes today.






Nike Epic React Flyknit continued the “tech silhouette” trend. It’s built to walk the walk, keeping Nike’s mission statement in mind: “To bring inspiration and innovation to every athlete in the world.”

In terms of innovation, Nike’s React foam sole is computer-engineered from one single piece of material and has already proven a big performance enhancer in the Hyperdunk 2017 and Jordan Super.Fly 2017 basketball models.




A sock-like snug upper made of a stretchy knit, a low ankle cut collar around the ankle bone, and the extended lip at the heel for stability .The Flyknit upper on the Epic React is spectacular. When you first put the Epic React on, it might feel a little snug, but the Flyknit is stretchy and begins to give a custom fit. It is sock-like with an integrated tongue. 

To give the shoes a more real-world test, I walked back from the event space to the office; throughout the 1.2 miles the shoes produced a forward-propelling effect – the so-called “energy return” aspect – that kept me light on my toes

The midsole is a single-unit piece of React, which is Nike’s proprietary rubber-based foam. During the development period, the shoe underwent 400 trials over 17,000 miles of running. The foam is sculpted, strategically distributing firmness and cushion based on heat map data. The resulting look and feel are unique. Another unique thing about the React is that, aside from some reinforced rubber at the heel and toe, the midsole is also the outsole


In the runway test, Nike Epic React Flyknit’s performance can be said to be the most amazing of the same type of mid-sole running shoes, followed by a hard  TPU design with a breathable  woven Flyknit upper, so that the overall support of the running is always in a satbility,especially in the process of turning and deforming in the face of the runway, we can felt the supporting and stability.

Nike have had years of R&D to perfect the formula that may topple the adidas tech — an eternity in the lifespan of a sneaker. But adidas tech has been popular in the five year ,now what are the chances that Nike’s React Foam could mark the end of the BOOST era?

Foam ?So what is foam ?

The earliest form of foamed rubber came in 1929 when a chemist named Eric Owen simply whipped up some latex, as if he was whipping cream for his scones. Enter the science of polymeric foam — that is, foam made using polymers like plastic and rubber.

It’s been the industry standard for well over 30 years development for the EVA, And more recently, the process by which the raw materials are combined, expanded (foamed), and moulded.

Now,most of shoes  have the choice of using TPU (thermo-plastic polyurethane), which is subject to the same amount of variation.

That is the  component of Nike Epic React Flyknit. After tested , so the foam, what is the feeling of foam ? firm…and soft? Responsive…and cushioned? It’s hard to explain. My first two runs in this shoe were not great, as I was recovering from a race and running at a much slower pace, and I have to say that I wasn’t blown away at first.

However the boost foam ?

Here we test the boost and Nike Epic React under the affection of  steel ball.

This experiment is very simple, just look at the degree of deformation of the two materials under the same pressure to see who is softer.
Experimental results:
Obviously, under the same pressure, the BOOST material produces a large change in shape, indicating that BOOST is softer.
One thing to note: Since there is no rubber layer in the REACT midsole, (the steel ball acts directly on the REACT,but the boost just have a rubber outsole). There is a layer of rubber between the steel ball and the BOOST. However, the boost is still softer.

Every BOOST sole is made by squishing together lots of small capsules, allowing each little pellet to retain its own shape and giving the finished sole a precise reaction – something that’s much harder to achieve with a big, single-density slab. The frisky foam first appeared in 2013 on the adidas Energy BOOST. It was such a success that adidas couldn’t make the soles fast enough and soon the world slipped into a global BOOST shortage.Since as production of the core material increase,the shoes followed this kind of tech after  then that .

Now adidas have taken BOOST to every corner of their footwear empire. but the  Nike’s React foam, on the other hand, was created in collaboration with their athletes, and this foam has been become the core tech in the nike running shoes , meaning that throughout the process they were able to tweak the formula to optimise performance.

So who knows which one will be the best ? just choose the one we like !




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adidas Parley Ultraboost Performance Review

Parley has another upcoming collaboration with the Three Stripes brand on the adidas Ultra Boost.I like this version very much .Not only color way, but all of the setting .Parley’s adidas Ultra Boost is striped of materials which promotes what they are about: environmental awareness. Then  Boost technology that is at the core of the style’s appeal is an amazing piece of innovation, yet it’s been stifled creatively because until now, it has pretty much only been issued in white.


We will check it today .


The Ultraboost was first introduced in early 2015 and has been a runaway success for Adidas. Why? Well, for one, the shoe is comfortable as hell. It also looks cool and is simply a great running shoe performance-wise. Also the Ultraboost  has been a popular till now.Much like the all-white  or black Ultraboosts that took off last year amongst, it is still followed the most design.

But the  adidas Parley Ultraboost  these are the trainers they’ve developed specifically for women, it is special color and designer.


I like the trainers including the design, utilising marine plastic pollution and recycled material to create the shoes.Each pair’s upper is made from 95% waste plastic dredged from the oceans around the Maldives – recycling 11 plastic bottles. There are some shoes followed this kind of concept too—environment protection. but the Adidas just did including the material chose.Plus the rest of the shoe including lining, laces and the heel is made from recycled material.Though this is the small moving whirlpools affecting marine life worldwide, not to mention the rubbish that washes ashore.

As mentioned above, I really appreciate that they’re made out of recycled plastic, and that Adidas are helping to bring attention to the plastic problem in our oceans.

We can see more details as below :


Synthetic fabrics used across the cage while the heel counter is stitched. it is a kind of environmental awareness. This material just did a great job for stability and strongly .


All Adidas Boost use Continental Rubber on the soles (the same as the tyres), to increase grip and stability on both wet and dry surfaces.As we know the Boost tech are amazing, the responsive and the feedback, all of these setting are help a lot when running, it is a good running shoes .

For the Adidas boost  technology, adidas Boost technology took years to develop, and it doesn’t even belong to the Adidas. Relying on material that is rare and out of your direct control is too risky. Adidas is dependent on the manufacturers of Boost, the BASF, giving them the upper hand in Ultra Boost production. Therefore, removing the scarce and expensive material can lower the production price, and increase the number of produced units.That is the reason why Ultra  boost will be responsive and feedback more .

For the traction: Given that the sole is the foundation of any running shoe, it’s important you’ve got the right stuff down where it counts. A BOOST-equipped sneaker will cushion your foot with each pound of the pavement, before it springs back and returns the stored energy into your forward momentum.

With that said, adidas eventually fired back with its very own state-of-the-art system.So there are most model of ultra boost will followed this kind of  tech.I think it’s really responsive, very bouncy and perfect for road running, esp for neutral runners.

These materials offered cushioning and support, could be moulded and shaped, but they just weren’t quite right.

Overall, adidas’s BOOST technology  has managed to cross a mishmash of sports, it is snug and comfortable .

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adidas Ultra Boost Uncaged Performance Review

Ultra Boost has always been popular, and both runners and shoe fans have consistently promoted this fashion running shoe. At the end of last year, after adidas launched Uncaged Ultra Boost, it was simply subverting the whole wave of shoes. Everyone rushed to buy, and some people even spend more higher price to get one .Adidas knows the passionate love of the fans for the “Umtra Boost” and decided to officially launched the first pair of Ultra Boost Uncaged series, which wind a  trend of the “walking” .

But what is it  like ? How does this shoe  performance? Here we will check it .

Ultra Boost Uncaged  featuring a fall-ready blend of dark burgundy and black across the shoe’s usual Primeknit upper with the heel counter in a textured matte black finish.


The Uncaged series of shoes combines functionality and style with Primeknit weaving technology to create a breathable and comfortable wearing experience with a clean, sleek look. Compared to the original Ultra Boost, the Uncaged series features a flexible sock-style design that perfectly encases the ankle and enhances flexibility. Adidas also abandoned the  plastic cage with three strip on both sides of the shoe .


For the supporting :

The most obvious is that the outside is obviously thinner than the inside. In fact, the reason why is because during the running process,  most people are touching on the ground outside of the foot when you walking . The heel wear of the shoes if you look your shoes’s traction. Generally,the out side of midsole  will be wear easily compare with the inside midsole. For running shoes, if the heels are flat on both sides,then it is easy to twist the ankle after rebounding, so it is easy to twist the outside.

So one version of the Utra Boost  used the plastic torsion syatem to provide the stability .

The inner surface is covered with a high density eva material. Both played a good role to avoid the torsion .

The main role of this overhanging  of outsole. that is  to protect the heel material avoid the wear and tear . As mentioned above, most people use the outside foot to touch the ground.Then we tested it as below :

Before touching the ground:

Touching the ground:

After touching the ground.

So we can see the proceed of touching the ground as above , our heel part also have been protected when we touching .


Because boost stability is poor, adidas designed a stereo stabilizer for the Ultra Boost  .The  Torsion system  lies in a recessed cavity, it’s funnel shaped ends spreading up and outwards from there. Also it will provide the superior heel to forefoot stability.

The forefoot does not have the stability  without the torsion system, it seems very soft. But the back part of the torsion system remained in a straight state after I pressed it hard.



For the traction : The traction with a single piece of soft rubber with rectangular perforations exposing the Boost midsole. This the  most important is the different  compare with the tradition ultra boost.


For the material : The Ultra Boost upper isn’t pure Primeknit, but rather a hybrid which uses elastic-knit in forefoot and midfoot, and a bootie construction in the rear which relies on traditional stretch fabrics.

And different weaving methods are used in different parts. For example, the thumb and the toe area are encrypted and thickened which  make it more durable. but the for the part of  instep and the arch, it is use the special weaves to keep the good ventilation.In order to Keep your shoes dry. it is used the heat welded fuse on both sides of the toe and upper. Not only enhances the protection, but also makes the shoes look more straight.

So we can see more details and tested  as below :

Your big toe being pressed down by the Primeknit upper, though visually it looks like there’s plenty of space ahead of your toes. 

Overall,this pair of shoes is in terms of design and performance. The positioning of its trend running shoes is great.Anyone would expect a truly exceptional product under the circumstances, and we feel that the Ultra Boost Uncaged   still has some ground to cover before it can honestly be called great.

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adidas Ultra Boost Uncaged Performance Review

It’s not hard to see why the Adidas UltraBoost is such a popular shoe since the adidas Ultra Boost Uncaged joined  its caged brother in helping to celebrate the Chinese New Year in the near future.

What do you think of the upcoming adidas Ultra Boost Uncaged Chinese New Year?So we will look it  closely today.

For the box ,it is simply.

However, the side look cool.The front of the shoe box is printed with CNY—China Year. Not the same as a regular yellow striped box. In contrast, cny this shoe box design is more low profile

The Primeknit and Boost combination takes a simple approach this year, as a white knit upper sees speckles of black and red throughout for a random array of swirls to compliment the unique lace option .

Adidas’s claim that the UltraBoost will deliver “your greatest run ever” is hard to prove, I felt that is the setting win a lot of buyer, especial for runner,the  UltraBoost, it became my go-to shoe for long distances.

For the material : It used the  Primeknit  again .As we know this kind of material is great. Midfoot partially switches to another material, and so does the heel area.Like engineered meshes, the single piece Primeknit has multiple zones of stretch.  So you can feel more elastic in places like the top of forefoot, while the edges and toe bumper have a closed knit construction for better structural support. but only one disadvantage of this kind of material , it will be easy to break out .

Then the ventilation , it is great, we can feel the air through the foot . and the special lace system.I can adjust it easily.

We can see more details as below :

Adidas Ultra Boost series were impressed with Adidas tech,which new model and its springy, lightweight protection from harsh pavement. “This may be my new favorite shoe,” tester Derek Call raved. “Some backstory: The Adidas Supernova Boost 6 was one of my favorite shoes of all time. It took three years for me to find a shoe even comparable to it, and that was last year’s Adidas Supernova.but this one adidas Ultra Boost Uncaged will be better , that is for me, it was an improvement on that shoe. It feels lighter, my foot slips right into the upper like a slipper, and it still offers enough stability without adding any weight or material

The insole look great.Also it is comfortable .

We can see more details inside.

Midfoot cage attaches to the molded heel clip with an inwards flare. Also it show the ULTRA BOOST which  uses so much plastic on what could have been a lightweight upper with unadulterated stretch.

Solar Boost offers fantastic traction for a road shoe,  so you can feel more comfortable and soft when you playing .even on snowy or slushy roads. That is why the small lugs on the full-length rubber outsole provide plenty of grip on and off pavement, while a wide heel gives the shoes a planted feel.

Overall, a Boost running shoe needs to feature at least one of the stability elements. Either a plastic cage with midsole ridging , so the adidas Ultra Boost Uncaged did it , the nice cushion midsole and great material ,also the  soft traction , all of the reason to attracted  more people.

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adidas Ultra Boost 4.0 Performance Review

As we know the set of 5Ks that empowers running communities to combat the extreme amount of marine plastic pollution in today’s world , so the Deep Ocean Blue” Parley Ultra Boost 4.0 was the official shoe which inspired by the deepest part of the world’s oceans –Mariana Trench.  but I just got the black one.And we will test it today .

The shoe’s unique Primeknit upper is offset by a black plastic midfoot cage, and the tongue features black adidas and Parley branding.

Whether  it is as a professional runners shoes or the casual shoes, there are more topics for this running shoe.and a lot of people will buy and test this shoes .

Unlike the Ultra Boost ST which prefers the reinforced the supporting , and it also differs from the Uncaged which only  focusing the Primeknit uppers. The Ultra Boost 4.0 was more profession with  perfect Primeknit uppers together.As for Energy Boost 4, I think it is a bit of out of fashion with  Tech-Fit upper and EVA and Boost midsole.seems theEnergy Boost 4 like a pair of traditional running shoes?


The soft and comfortable Primeknit knitted upper, and the plastic counter also cups under the heel edges,and the famous full length  Boost cushioning. The classic Torsion System midsole and the Strech Web  rubber outsole constitute the entire technology of the Ultra Boost 4.0.

Here’s our take on why the Ultra Boost uses so much plastic on what could have been a lightweight upper with unadulterated stretch. We think that the Boost midsole is inherently unstable once the foam volume crosses a certain threshold, and that is why adidas uses one of the two things – a plastic midfoot and/or a midsole rim.


Perhaps Utra Boost 1.0’s design has been classic one, or the appearance of running shoes has been accepted by consumers, so the  Uta Boost 4.0 is only a slight adjustment on the upper material and the traction, we will check it closely .


The Ultra Boost upper isn’t pure Primeknit, but rather a hybrid which uses elastic-knit in forefoot and midfoot, and a bootie construction in the rear which relies on traditional stretch fabrics.

Midfoot cage attaches to the molded heel clip with an inwards flare. This plastic counter also cups under the heel edges.

While we generally see a flat piece glued flush with the outsole, the footbridge here originates in a midsole cavity.

The side support and the Primeknit uppers are visually more low-key coordinated. Compared to the Utra Boost 3.0 translucent material looks more stable and strong.

There are the BOOST  symbol inside of shoes.

For the traction :just a single latticed sheet clothes the bottom. The exposed windows help reduce weight and increases the ride softness and consistency. and the traction improved the grip and stability compare with last version .

The other side of the compression molded EVA midsole. The last markings indicate a different base fit than other Boost models.The Energy Boost and Glide Boost all are based on different upper fit dimensions

The classic Torsion System is firmly embedded in the midsole of the running shoe, extending from the forefoot to the back.
It can be seen that the HeelCounter heel locking system was extending to the heel ,high-density Boost and Torsion System anti-twist system are all constitutes the running shoes, making the running shoes practical in the short distances.

adidas calls its outsole design ‘Sprintweb’, a single piece of soft rubber with rectangular perforations exposing the Boost midsole.

A white Boost midsole provides contrast and comfort, and the shoe is rounded off with the Ultra Boost’s standard Continental rubber outsole for exceptional durability.

There are more picture on-foot as below ;


Running (5-10km and sprint), but also sports like fitness, or some recreational sports.
I can run from 0 to 2-3 times a week, it depends on the period, but I’ll use it also for some sport and when I’ll walk a lot.

I’m also looking for a shoe which is very comfortable, flexible, responsive, with good transition and and ventilation and beautiful

The most intuitive feeling  is the comfortable fit . Compared to Nike’s Flyknit, Primeknit is more conformable , and excellent stretchability gives better tension to the upper. After solving the problem of previous uppers, the Primeknit upper will maximize .Then it fit with all types of foot.

It can be seen that the full length Boost cushioning effect is obvious, and the shoes will be fact more   impaction when running.

We have to remember that the Ultra Boost is very much a neutral shoe, and the midsole behavior is well within the boundaries of that.  then transition quality which feels great for a shoe this cushioned.

Different Primeknit knitted and different densities of material will bring the different wrapping under different situation. The HeelCounter  locking system also did a great job ,but sometimes it will give more pressure to ankle .


The heel softness is comparable to the Energy Boost 2 , but with one major difference , the midsole of UtrA Boost  is far more responsive.  If you were to look at the midsole heel top down, you will notice that a good portion of the Boost foam sticks outwards, along with the outsole lip.

Here are some gif picture as below :

The Ultra Boost is that the front and rear part of the midsole work together as two separate halves. In the back, a very cushioned ride pampers your heel as explained in the cushioning breakout.

A squashy toe-box and the unwanted pressure from the midfoot cage make a dent in the German brand’s ‘greatest running shoe’ claim.

Overall, I try to test nay angle , the traction is amazing with nice responsive. And the full length Boost ,it  will bring the great bounce and the TPU with the Torsion System also did a great job.



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Adidas Ultra Boost 4.0 Performance Review

As the Ultra Boost 4.0 has been released ,it is updating  from the  Boost 3.0.Compare with last version ,whats updating ?

We will check it today.

Featuring an upper woven with black plastic material, the shoe offers a unique striped black look that provides a striking contrast with the black plastic midfoot and heel cage. Black laces with an abstract pattern add an extra pop of detail, seems nice and matched .

Unlike the Ultra Boost ST, it prefers the reinforced support on the inner side of the running shoes, and it also differs from the Uncaged which only retaining the Primeknit uppers. As for Energy Boost 4, the old model— Tech-Fit’s upper are with EVA and Boost midsole. Isn’t this like the  traditional running shoes?

The soft and comfortable Primeknit knitted upper, the plastic strip and HeelCounter heel locking system, and the famous full- Boost cushioning. full-length white Boost midsole  and the Strech Web mesh rubber outsole  technology ,all of are make the Ultra Boost 4.0.

There are more details as below :


The updated sole consists of a stretchy rubber in an open grid pattern that adapts to your foot’s movement and makes for a smoother transition from heel-strike to toe-off.

The toe is angled up higher, which further helps the shoe roll. Some runners may find the rigid plastic overlays around the heel and arch uncomfortable, but if the shoe fits, get ready for an ultracushioned, responsive ride. 

The mega pull tab is a visual oddity yet functionally effective, and comes in very handy when putting the shoe on. 

For the material : We were always curious to find out how adidas Primeknit compares against Nike’s version, which by the way, comes in different iterations. Like the super compressive Nike 3.0 Flyknit, or the more easy going version on the Flyknit Lunar. For now, we can only judge Primeknit based on its use in the Ultra Boost, but as time goes by, we should be exposed to more feels more elastic in places like the top of forefoot, while the edges and toe bumper have a closed knit construction for better structural support.

For the ventilation :it is nice , the forefoot top is more porous and breathable, which also makes it more accommodating to stretching.

The energy-returning boost™ technology was welcomed by many runners because, for them, it was able to deliver responsive underfoot cushioning

For the lace system : it is easy to adjust the shoes when you running .

It is show the boost  symbol, the sole actual court feeling is amazing


For the traction : not many pieces of rubber here, just a single latticed sheet clothes the bottom. The exposed windows help reduce weight and increases the ride softness and consistency.


The classic Torsion System is firmly embedded in the midsole of the running shoe, extending from the forefoot to the back.Then the strip surround the HeelCounter heel locking system , and the high-density Boost and Torsion System anti-roll system are making the 4.0 ,also this setting up will be great for the runner .

The external heel counter was lauded by a user because it kept their heel in place and prevented it from wobbling or accidentally exiting the shoe

On some level, the Ultra Boost is similar to the Energy Boost 2. The two models can be compared on shared traits like a compressive upper, plastic midfoot cage and heel, and a prodigious chunk of exposed midsole hewn out of bouncy Boost foam. Even the plastic ‘Torsion’ shank dams up on the Ultra Boost’s medial heel the same way the EB-2 does. At the same time, the two differ on the quality of fit and cushioning behavior, and as always, we’ll talk about it at length before the sun goes down.

As a fashion sneakers, the fashion design is important. From the perspective of appearance, Ultra Boost 4.0 was followed the last model . but the the shoes look more smoothly and naturally, taking into account parcels and fashion trends.

We  can see more details as below : 

This plastic counter also cups under the heel edges. Leaving the Achilles area free was smart design thinking

For the cushioning test : the cushioning is amazing ,  The heel softness is comparable to the Energy Boost 3 , but with one major difference – the midsole is far more responsive. That is caused by two factors. If you were to look at the midsole heel top down, you will notice that a good portion of the Boost foam sticks outwards, along with the outsole lip.


The outsole rubber extends slightly outwards to provide protection , and the curved upsole structure on both ends allows for smooth transitions in the  responsive  foot. It can be seen that the full-length  Boost cushioning effect is obviously, and the heel impact is maximized when the heel strikes.

We can see the GIF picture as below :

The effect which has the narrower foam sink in and come back out soon after weight moves forward.Then a wider flare on lower midsole creates a greater contrast with the upper portion, which then becomes relatively narrower.

Overall : After having looked at the Ultra Boost from multiple wear-test angles, we know the shoe has many things working for it, the nice boost tech and the great material,an upper fit which feels snug yet comfortable, and transition quality which feels great for a shoe this cushioned. But for the supporting , it is not enough as  usually . So how  about you think ?