The Science Behind The World's Fastest Shoe - Cheddar Explains
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- čas přidán 13. 04. 2022
- Nike introduced the Vaporfly in the 2016 Olympics to Nike-sponsored athletes, three of whom took the top spots in marathon events. Since then, the shoe has been the weapon of choice of elite athletes like those competing in the 2022 Boston Marathon. Why? Because Nike designed the shoe to literally make you faster. To not wear the Vaporfly has become a disadvantage. So how exactly does this shoe increase speeds and should it even be allowed in competition?
Further reading:
University of Colorado
www.colorado.edu/today/2017/1...
Runners world
www.runnersworld.com/news/a30...
Business Insider
www.businessinsider.com/nike-...
Asics
www.asics.com/nl/en-nl/runnin...
Run Repeat
runrepeat.com/state-of-running
Global Newswire
www.globenewswire.com/news-re...
Wired
www.wired.com/story/the-scien...
The Atlantic
www.theatlantic.com/health/ar...
New York times
www.nytimes.com/2019/10/12/sp...
Running Magazine
runningmagazine.ca/the-scene/...
ESPN
www.espn.com/olympics/trackan...
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On Cheddar.com: chddr.tv/37GycgL - Věda a technologie
4% increase in efficiency wont make much of a difference for the ‘average’ runner, but it’s a game changer for a professional athlete. It’s the difference between being good, great, or a world record holder.
Not true at all. 4% over the course of a marathon has allowed more people to qualify for Boston and other races. If running in one of these events has been a long term goal and the shoes help, consider the game changed.
In fact it’s the opposite. The tech improves running efficiency (RE) which is worse in slower runners (with worse running form through the kinetic chain). Given that, these shoes have been shown to increase RE up to 8% in average runners.
@@ericpetersen8645 I genuinely want to read the study that you mentioned because from a logical standpoint, average runners do not possess the speed to fully activate the carbon plate. I would assume it performs best when a certain amount of force bends it (initial contact), causing it to rebound and the great rebounding force generated by the bent carbon plate should be even more effective in aiding lighter runners (the elites) in their midstance and swing phase (toe off), pushing them further forward than average runners.
Also, average runners tend to land more on heel than the elites. Not that the elites don't land on their heels but when compared to average runners, the number of elites landing on fore and midfoot are higher than the average runners so it is a mix. The largest portion of the carbon plate is located at the toe area in most racing shoes, it is design with excellent running gait in mind (the elites'). If so, average runners with bad or not-as-good gait pretty much minimizes the intended purpose of the carbon plate since the carbon plate will not be activated fully or at all.
The only reasons I can think of as in why these shoes make average runners faster are, the rocker design at the front of the shoe (which is present in many non-racing models and not mentioned in the video), the psychological effect, the light weight of the shoes and more foam which makes them softer thus reducing fatigue over longer distances, helping runners to maintain their speed for a longer time.
This video is an add blocked and reported
@@BugattianVeyronian For Heelstrikers, a carbon plate is in fact an additional resistance. Which is kind of obvious when you think about how a stiff sole is harder to walk on than a soft one. However, when you actually RUN, not jogg/walk, meaning landing on your forfoot, the plate will take some work off the calf muscle, achillis tendon and plantar fascia. You land on your forefoot and feel the stiff sole slowing down the heel on it's way to the ground - Which is naturally done by the calf muscle. Just when the foot is lifted again (assuming your pace is so fast that your heels barely/don't touch the ground), the carbon plate will straighten out again and release it's stored energy, propelling you up and forward. Go into a shop and just bounce in them like you were skipping a rope and you will feel that this actually works- you bounce more and use less energy and the impact felt in the foot is a lot softer as well, as the plate takes the beating.
When I got my first set of spiked(?) sprinters shoes I beat both my 100m and 400m personal bests at the very next track&field event. I was blown away by the difference shoes could make!
The proper way to run is toe first and the heel barely touches the ground. That's why the spikes are only at the front of those shoes. Majority of runners run incorrectly. It's insane watching sprinters' legs in slow motion.
@@MrTUBEular10 that doesn’t work for distance runners, though. Too much toe running will be inefficient. Sprinters generally need power, not economy, so that works well for them
Know/love that feeling
You can just say "spikes". Any runner knows what you mean
Kingofrock37
That insane difference is only because you weren’t wearing spikes at all. The difference between even distance spikes and sprint spikes is marginal, the difference between different sprint spike models/brands is hardly enough to even be worth it… unless you want the placebo.
If anything this makes the athletes from back in the day running with bricks on their feet seem even more impressive imo
Like in basketball. Back in the day. They wear converse
The 1960 Olympic marathon winner was barefoot the whole race. His said the shoes offered didn't feel comfortable so he ran barefoot
@@waterproof4403Abebe Bikila-He was a rockstar, man!
You didn't mention the shape of the sole which is causing the "rocking" effect you were feeling. The turn up at the toe combined with the curve at the heel creates a rocking sole; making it very effecient to roll forward during running and further reducing the amount of energy used
@@johntejada5108 You're welcome, it's nice to see footwear science talked about more, I actually have a degree in Orthotics, external medical devices including footwear and various adaptations to it
The rounded shape is something that isn't that unique to Vapor Flys. Many running shoes have a similar roudning.
The real secret sauce in the materials.
That is probably more relevant if you are a heel striker, but if you land mid or forefoot the rocking motion doesn't come into play as much. Looking at the form of many pro and elite runners they land primarily fore or mid foot.
I have nike pegasus that have raised toes and my toes get numbed during running bcz of that. Does it happen to anyone else?
@@evilbred974 Not when the Vaporflys first came out. It was the combination of the Carbon Plate for higher speeds, and the Foam for energy efficiency, as well as the heavily rounded back, and rocking forward design.
Nowadays, years after 2016, most speed shoes have a heavily rounded back, and newer "super foams", and almost all brands have a shoe with a carbon plate, and some cheaper ones with a nylon plate.
A plate in the shoe isn't unique to Vaporflys, Nike previous marathon shoes, which I still own, Have a nylon plate which you can feel helping you when you are running very fast. This is because it make the shoe stiff, and your calf doesn't have to work as hard pushing you forward.
The airbag isn't new either, nike had the Air Zoom All-out, which were my first pair of good running shoes. Before the ZoomX foam, Adidas Boost was the king of foams.
Having worn these, yes, they make you faster- you feel noticeably springier. Other companies have now made comparable models
Yep. The Asics Metaspeed Sky or Edge, New Balance RC Elite, Adidas Adizero Adios Pro, and the Puma Fast-R Nitro Elite are giving great competition lately with all these brands setting PBs with various athletes.
@@imjustariceguy any budget friendly shoes ?
@@User9681e For training? Well, there’s the Reebok Floatride Energy X which gives you a cheaper alternative to other carbon racers. I’ve never had one before, but many have attested to its incredible value.
He didn't cheat he is just smoking y'all butts.
U wear these shoes and have. Broken the record
Absolutely. When you WALK in them you literally feel yourself falling forward. It’s an incredible sensation.
Wow!
I have never wanted a running shoe before but this has me interested.
For real, on Amazon now... $350, walking away from Amazon now, in my slow ass pleb shoes.
@@kurtlindner wow that's expensive
best shoe ive ever bought
These shoes only make sense if you really plan to run a half or a full marathon and actually wants to win. In other words, they are meant for races. If you just want a daily trainer, there're plenty other cheaper options that should help you well without providing too much assistance to the point of stunting the strength of your legs.
@@tayduatrinhcoi like which shoes?
For those who don't run, shoes make a big difference on how you feel. The vaporflys give so much energy return while being really light
lol ? who doesnt run ? its a basic in school
I remember a documentary highlighting the way we have been running. Most every one tends to run by landing heel first. The natural way to run is by landing toe first and having the heel be the spring of the step. They found this out by following, surprise, Ethiopian and Kenyan runners that preferred running barefoot. After this doc, the "toe" shoes started popping up everywhere, and the closer to the ground mentality came back for a running shoe. This was a solid update.
You guys don't end up mentioning one of the breakthrough technologies in the shoe which is the composite plate that lies above the foam that also separates it from other modern shoe design.
They briefly mention it at 6:56
I was thinking the same thing, the stiff carbon fiber plate makes a big difference. To the point where the IAAF had to bad the use of two or more plates
@@johntejada5108 pretty cool that the producer checks the comments
@@johntejada5108 As someone who has put nearly 1,000 miles on these shoes (multiple pairs), I can tell you the carbon plate is absolutely key to this shoe's speed, hence why every other shoe company has emulated the design. You should also mention the awkward nature of walking in these shoes (especially if its your first pair), this shoe is not made for walking or even slower pace/recovery, it encourages you to run fast. I enjoy any video that spreads the word about Kipchoge! Overall, nice vid.
@@bobby2turnt Have any other shoe companies started using a pebax midsole since Nike introduced it?
I was surprised when I wore these. I found them to be very uncomfortable to walk in. The way they were balanced made them feel like skates. But when I started running, I could understand why they were balanced that way. PRs we’re almost easy.
…reallly? this is interesting
Yea I'm putting these as only running shoes category and sticking to barefoot like shoes for dailies
@@Selsmittenxo yeah I work with very flat and wide shoes as well. I think that’s smart.
I has These for 2 years now and they are amazing. Even the immediate feel is amazing. You feel like they make you move and give impulse
Kudos to you and all runner this 2022 Marathon season. Get' Em!
“Many consider him to be the greatest marathoner of all time”…..
He literally IS the best
@The Crazy Amateur Runner well someone can't be best until he competes
I think the greatest marathoner of all time is from the past. I think that runners from the past were definitely much more stronger in running than the runners today(stronger legs, bones, healthier diets, etc). And they used their feet to get around more than anything else. But we’ll never know since it was never documented.
Runner: “It has nothing to do with the shoe”
“Well let’s see you do it with a normal shoe
Runner: “…….”
To actual runners, it doesn’t make that big a difference. It is at best a matter of seconds per mile. Kipchoge, or any strong runner, could beat you over any distance in any shoe
@@kyanshlipak4258 oh I agree. These small differences are only noticeable when in the hands (or feet rather) of people running at the limit of human ability.
I suck at running.
Any professional runner could beat any casual runner wearing flip flops. The shoes really don't make a difference in a macro sense. Yeah, they can shave seconds off your overall mile average, but these shoes aren't turning non-runners into world record breakers.
@@brandonb.5304 yeah I agree with you 100%. But in the case of all the sudden records, it’s the shoes.
@@codycast im positive that the benefits of carbon plated super shoes are actually more prevelant in more casual / slower runners as it just means the user doesnt waste as much energy
You forgot to mention about alpha fly next. It is the upgrade to Vapor fly model and it is the best running shoe in Nike as of today.
Many running shoe brands have their equivalent of the Nike Vapor Fly. So this racing shoe formula is now standard
These shoes really helped with the runners shin splints. I no longer get shin splints when running for miles.
Thanks for the feedback I regularly suffer from it
The Nike Tailwind, the first with Air, was released in January 1979 and was first shown at the Honolulu Marathon a few weeks earlier in December 1978.
I have a pair of these and wow it is like running on a trampoline. Extremely springy compared to a flat rubber soled shoe!
02:15 The running writer/expert ist named "BURFOOT" 😅
Real life version of getting shoes as a kid and feeling like you run faster
I got some shoes when I was 12 that had gel bubbles in the sole that you could see with a little window in the side. I was convinced that I couldn't be hurt by falls anymore. I kept jumping off higher and higher platforms to prove to friends that I had some kind of super powers because of the shoes.
I’m surprised you did not mention the Alphaflys, the shoes Kipchoge runs in currently.
Ya these are awesome shoes. I’m not a runner and haven’t ran in years but I entered my self into a 10km run so 2 days before the race I was looking at runners and I seen these on the side it says made for speed so I bought a pair for the race. As a non runner and a pack a day smoker I ran it in 1:00:08 and my legs didn’t hurt and my feet were so comfortable in them
I didn’t even knew I had something special till I seen this video 😂
I'm not a runner, but I have really enjoyed this video! It seems impossible that the material of the sole can make a so huge difference!
Look up Daniel Komen and Haile Gebrselassie world records. Also Bekeles 12:37 5k WR from 2004 has got to be the best run ever
I will say the midsole of a shoes main purpose is to protect the foot and reduce injuries. not act as a spring, that's what carbon/nylon plates do. A lot of my light weight running shoes have practically no spring to them even though they have a good amount of foam. Also that foot roll is in nearly every racing shoe and has been far before the vapor and alpha fly shoes.But pretty solid video 👌
How can a plate act as a spring??
All sports use improved tech. Cycling, running tracks, pole vaulting... tech moves forward and running should be no different.
Nice video. Does Nike hold a patent on that unique foam?
Right. Seeing dude run outside and hearing his feedback was very valuable. 🤪
*Amazing* tech, this was a great video!
The heel also adds to the extra 1.5 inch length and also enhances the rollng stride,heel to toe.
They do make you faster. I have tried different sneakers and nothing can't compare to them. I've set some personal records thanks to them
I’ve run 5ks in dragonfly’s, the super spike meant for the mile and up and they are unreal, like it’s hard to truly describe them
The first time you try vaporflys is magical, it feels like you have wheels on your feet
That’s how I naturally run, with a roll.
So using Hoka Bondi and vaporfly was a natural transition
Just like bowling (with bowling the way lanes were conditioned and the weights in the bowling balls) technology (in this case the shoes) is causing alot of long standing records to be broken.
I ran a half marathon race in Ukraine (Yes Ukraine) back in 2019 with a pair of Nike Vaporfly next%. I remember I was passing more than a dozen local Ukrainian runners in second half of the race because the shoes gave me some advantages over other runners. I felt bad because Vaporflt fly next% was not available in Ukraine at that time plus average Ukrainian monthly wage is less than $400 USD per month; most of them can not afford $250 shoes even it's available for sales. I went back to Ukraine again last year in 2021 and I saw the Alphafly in the Nike store - around $400 USD per pair vs $275 in the US!!!!
Ukraine citizens really have it rough
I bought these shoes without knowing they were the fastest 😂 thanks for telling me 👍
I’m getting these shoes
Tell us what you think after!
you also need to cycle on PEDS
Ryan Hall’s half marathon US record has stood since 2007.
Shows how utterly amazing it is! He also holds the marathon record at 2:04:58 run in a slow course (Boston).
Back then the shoe that i love most that gives an extra boost when running was the puma super elevate. That thing felt like springs whenever i accelerate. Used it for basketball.
May need to try a pair. I just want impact help. Would this work ?
I know these shoes can make you faster. I've shattered every one of my PRs wearing a pair of similarly crafted shoes made by Brooks. The first time I put a pair on I was running at a 7:45 in Zone 2 without any effort when my normal training Zone 2 pace was about 8:45 to 9:00.
Which Brooks model were you wearing if I may ask.
@@LuisFernando-yd3mx Brooks Hyperion Elite 2. The 3s are out now, but I'm probably going Nike for my next pair.
@@EtherBoo which shoe are you planning on buying next?
@@kwstaslungu1522 I'm very likely going with the Nike Airfly Next % (forgot the exact model, but not the Vaporfly as I read that supposed to be for shorter distances). I MIGHT go with the Altra version because that Toe Box is just luxury.
That will be majority placebo. The noticeable efficiencies in vapourflys are typically at the higher end of pace. I cant see how it would effect your zone 2 pace by an entire minute that’s just not possible.
As a high school runner in 1963, I remember the first time I felt a modern shoe, YES , SHOES MAKE A DIFFERENCE! !!
...and I bet you have knee, hip, and back pain to this day. Congratulations consumer. Modern shoes will never be better than your bare feet that nature designed.
@@glenwoodfore super based, and barefoot-pilled
BRB buying this for my marathon this month
These Nike super shoes are greatly responsible for my marathon and half marathon PRs. They feel like they do much of the work for you. This specifically the Nike Alphaflys.
Isn’t that a bad thing tho? Like doesn’t that feel cheaty to you?
And even more impactful a discovery, the sweat shop!
what shoes should i use for all-around gym session (weight training mostly)?
imagine if they could implement this tech to basketball shoes
Athletic Propulsion Labs tried this with a shoe that made you jump higher, but they got banned by the NBA. You can still find the shoes online tho.
I have the AlphaFly Next% and yes they make a huge difference.
With regular daily trainers like the Novablast 3, I do a 13 min/mile pace at a 140 bpm hr. With the Nike AlphaFly shoes I can keep the same hr at a 10:30 min/mile pace.
Wow!
any knee pain with the alpha fly?
which shoes is best for casual wear like invincible run 3 comfort. My feet hurt when i use my pegasus 39 when walking
This is really interesting and well done
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Cheddar can you do a video on why security cameras are so bad compared to what we have today (unless a video has already been made). We have phones that can capture great photos yet there are security cameras out there that still shoot only black and white video and are really pixelated.
Security cameras are usually enabled 24/7, and have limits to storage and data rate. If you record 4k60fps video on your phone, you will run out of space in less than an hour and will have to do something with that data, usually delete it. Thus, the cheapest way to keep them running for longer is to lower the video quality.
That's a great topic to investigate
Because many are older. And because they’re cheap. Most security cams used come in those NVR all-in-one packs and are like $25.
Cellphones typically use high tech processor chips. Meanwhile security cameras are usually processed using potatoes.
24h video hd is to much data to storage
Why no mention of the Alphafly?
Dude's name is Amby Burfoot, and he's a running writer and former marathon winner. Nominative determinism?
Where do you guys go to get these shoes at the best/cheaper price?
Vaporfly Next % (the one you are testing and refering the whole video to) came out after "Breaking 2" documentary. In this film (and perhaps in the olympics before it) athletes used Vaporfly 4%, which was still revolutionary but not as popular as Next %. And yes, 4% name of the model came from being 4% faster, as Nike said at this time. Eliud wore prototype of Nike Alphafly (so another model) in his Vienna attempt, when we broke 2 hours barrier. And the most important: not just foam itself provides such high energy return, but its combination with carbonfibre plate. The plate itself was kind of scandal. In Alphaflies Nike used 3 separate Carbonplates with really high stack of the midsole, which lead to discussions. Your video is really chaotic
We need more people like you
The alphafly prototype didn’t have 3 carbon plates
Agree the video wasnt structured .. you got the word chaotic !
Lets not forget the importance of pacers in that race
I have a pair of Saucony Endorphin pros and I’ve shaved big time of my runs with those too.
People don’t realize the having good running form can also increase running performance. I feel like this video skims over the amount of precision and skill these runners still have without the shoe.
What are you talking about? This video is about the shoe! We already know what a difference technique makes!
@@Wonderkid44 What i mean is like having bad form running with the nikes make u even slower and more prone to injury than having a regular trainer. I meant to say that the video didn't explain how the runner runs impacts the performance of the shoe not just the shoe being amazing.
also drugs
Great, a Nike ad
Cant wait to get a pair-Been running since the late 70's a shoe was pretty much just a shoe
Great explainer! Minor fault at 6:41: the description of the pink balloon is wrong; it should be "PE BAX foam."
What about the Nike Air Zoom Alphafly NEXT% 2. Are they not better than the VaporFly?
Thats incredible. I was training and even got into a competition with a normal pair of shoes that looks like to run, i was doing 5km in 28 min and 8km in 45 min. Last week i got a runner shoe and broke my record of 5km to 26 and some and 8km in 43 min. That were impressive for me.
what shoe was that?
@@alohalani9743 it was a Brazilian shoes called Corre Vento - olympikus.
im a seasoned runner, indeed those new age running shoes do make you run faster. as long as the mid sole is made of PE bax foam, you will feel more bouncier than the normal traditional running shoe. and that save alot of energy. carbon plated shoes are added advantage for you to bring back your leg from behine to the front more efficiantly, in the cost of hurting your plantar fiscal. because of its stiffness.
PROUDLY Sponsored by Nike
Thanks I got New CZcams channel from this video to learn more knowledge.
So I’m not even a runner but I do a lot of team sports and this happens all the time. Someone always innovates a significant improvement to the way something is done and everyone else calls them a cheater then copies it instantly
Omg 😳 this is amazing 👀😎🤔 I don’t know much about running 🏃🏾♂️ shoes 👟 however in learning a lot about here.
What would happen with ~100% energy conservation? Is there a legal limit for competition? Could we reach 1h50?
I much prefer the Saucony Endorphin Speed over this shoe. I have both but the Vaporfly has a much harder plate which makes you forefoot strike. And if you don't have really strong ankles and lower calves, it can wreck havoc on your feet. I had to start super low mileage and slowly add little bits of distance at a time. The Saucony shoe with the same pebax has a much less aggressive plate and I can still heel strike without any effort. The VF is a good shoe but it takes a lot of initial time to build up mileage for it. But in the end, if any shoe allows you to train more and recovery faster, I'm all for it.
That make interesting with that energy return that high, perhaps if we use it to jumping rope it will take more efficient and less fatigue on knees
campus memory tec foam vs bolt feet insole??? better?for running
If it's something that starts to make things unfair, shoes should start to get regulated... or every brand should be able to use the same technology...
other brands have their own competitors now.
Ok, I watched 80% and realize it's an ad.
They have just a great stamina, balance and adaptive ability to environment, if they do not have that, there's no running shoes that really do the work.
Definitely a very quick shoe, but it doesn't work for everyone. Interestingly enough, while the Vaporfly 2 works very well for me, the Alphafly appears to irritate my knee to the point where I don't trust it, and took it out of my rotation.
Are Nike Pegasus considered a “good choice”? I have them and they feel very comfortable
These shoes don’t let you run faster they MAKE you run faster. Just walking in them causes you to feel like you’re falling forward. They literally feel like pogo sticks for your feet.
Wait a minute … THE Mr Tejada, the one that had big influence on my music now influences my running 😅 … hell yeah
No one talks about those GREATEST running shoes of Converse Track Stars. I wore out several pair. Used them to run the Mesa Verde highway from entrance to museum in 1964. Great shoes.
Not many everyone consider him GOAT of marathon runner.
Here are 2 things that I've seen that add to this conversation:
1. It's when new technology, that still meets the qualifications set by the old standard, comes out. I saw a golf video explaining why when the Titleist pro v1 first came out, the average drive of professional golfers went up by 9 yards that year.
2. A few years back I was a judge for a big cross fit competition. You compete against yourself, but if you have an advantage you can use less energy and go faster. The last people I had to judge, in the pro division, would accelerate the weights down to bounce them off the floor. This little advantage doesn't seem much, but if you had to completely stop, let go, and have the weight loose momentum would loose time and energy. I wasn't told this was illegal, so I let it slide.
Crossfit Pros someone is going to have the weight bounce back into the face eventually killing a person by either blunt force cracking the skull open or by blunt force causing enough damage. I know having tried to watch this stuff on TV and the pros were within inches of smashing there face in one of the coemptions. Also some of those Crossfit people are needing whole body synthetic joint fluid put back all joints in due to how demanding some of the Crossfit challenges are or were before they changed up the rules a bit to give time before rounds of events not just going back to back to back into events with no single break, they have rounds now.
Hope the next iteration of these shoes can give back nearly 100% of the force exerted against it.
Are these shoes available on Amazon or Flipkart?
i own a pair of these nike shoes. i usually use treadmill, and i realize that my heart rate was significantly dropped at the same pace with these shoes
Great general overview for the non-running public, but this “news” is over 5 years old. These shoes have been for sale since 2017. Other shoe companies are selling their own versions.
This just felt like an ad And the way the guy talked it felt uncomfortable
Right technology can contribute the talent and deliver amazing results.
It's true there's a difference between other running shoes...just had my pair of this
Advertisement in narrative form. Well done Nike … make a lot of people follow great stories about top runners (who most likely are sponsored by Nike) and keep the brand ALIVE
I don't have it yet but I can already felt it
“It’s not like you’ll be shaving a minute off your mile.”
Actually, I did shave a minute off my mile after switching to these.
Saying the Vaporfly is cheating is like saying track spikes are cheating. Technology helps to advance the sport.
The robotic wavelight pacing system are massive cheating tho
This video is literally a gigantic ad for Vaporfly...*shamelessly looks it up to buy*
Sorry if someone already mentioned this but that's not the Nike Waffle Trainer @1:07. That's the Nike Cortez, a classic favored by urban gang members to even today. The Waffle Trainers had blue nylon uppers with a bright yellow swoosh. The sole was white foam with a glued black contact tread with a pattern like a waffle (actually a waffle iron), hence the name.
It should be noted the 1:59:42 was run in Alphaflys not vaporflys
I was walking and wandering to the roads of my hometown but then I saw a thrift store at first I only want to buy polo's and t shirts but as I linger in the store I have come to the conclusion that I wanna buy new pair of shoes(Thrift) and I saw this shoes that caught my attention, Then I check my pockets but I haven't carry any amount so i went home and took some money out of my box. I bought nike zoom x vaporfly 4% yesterday for only 5.60$ at thrift store, The experience of wearing and using it was so great it feels like you are flying although it has a minor issues the performance were still great.
It does not affect the swiftness of the motion.
As what i saw in this video, words were accurate, While i was using my newly bought shoes i ran for about 10km and the difference between my asics novablast 1 and the nike zoom x vaporfly 4% has a big difference, the asics might be high on cussion but this pair of nike is well balance.
For me this is the greatest shoes i've ever had.
Im also practising my english skills for this upcoming research of our school, I am the leader so i have to practice and take note of my mistakes so that i can be a better version of myself.
If any grammatical error and incorrect sentence seen above, Please correct me, I am Trainable and Teachable.
The one issue I have with the " these shoes are mechanical doping" analogy is that it creates a slippery slope.
Which one did he wear to run marathon I wanna buy some ?