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Nike Vaporfly 4% Flyknit

The Nike Vaporfly 4% Flyknit shoes are among the manufacturer’s finest. While they are expensive, they are certainly one of the leading names on the market for running performance. Its name is actually based on the estimated 4% running improvement they come with for the average runner. This was calculated with a scientific approach and is Nike’s promise to those who are willing to invest in the shoes.

Of course, the shoes are made for race day performance. While they can be used in training, it is likelier to see runners choose other options such as the Pegasus Turbo for everyday runs. But the main difference comes with the added carbon plate which offers a transition and energy return to envy.  Of course, the shoes are also made with a minimalistic approach which suits premium designs very well. But it is the technologies which are not visible that matter the most with the shoes.

19 reasons to buy

  • Impressive performance-orientated release
  • One of the leading shoes from Nike 
  • Very respectable race day performance results
  • Can come with up to 4% running performance improvements
  • Based on a minimalistic approach with few but top technologies
  • ZoomX foam for the ultimate cushioning and responsiveness
  • Impressive energy return which outperforms other releases such as the Pegasus Turbo
  • Plenty of traction in the outsole
  • Comes with a new running sensation which might be worth the investment
  • Great anti-slippage heel design
  • Plenty of breathability for long runs
  • Offers the impression of running at an improved pace
  • Very lightweight even according to modern standards
  • Fully adjustable upper which allows a very close fit
  • No issues with blisters
  • Plenty of comfort in the Achilles tendon
  • No pressure on the toes
  • Thin upper profile enhances the sensation of speed
  • Available for both men and women

3 reasons why not to buy

  • Only two colors to choose from
  • Thin upper may be too wobbly for some runners
  • Still out of reach for many runners on a budget


The Flyknit upgrade to the shoes had an immediate impact. It is why the Vaporfly 4% Flyknit are actually hard to find across stores. With a full knit upper and a carbon plate, the shoes are the base for new records across the running world. Eliud Kipchoge set a new record at the Berlin marathon with the Vaporfly. It’s no wonder that changes in the shoes are welcomed with enthusiasm.

The Nike Varpofly 4 Flyknit might just be among the most expensive running shoes on the market. But runners who have been lucky to purchase them report impressive results. They say that its almost as if they unlock a new speed of running.

But there is much more to the shoes than the actual design. Those who still want plenty of support and class-leading performance can find some cheaper alternatives. It is why the Zoom Pegasus Turbo is actually likelier to be seen across the running world. It still remains to be seen in what aspect the midsole plate reflects the reality of running performance and up to which degree it is actually outside racing regulation. What is known for now is that more brands are expected to join plated designs.


The simple running shoes are made with just a few technologies. But these technologies are actually implemented by the book. This is the case of the outsole. High abrasion rubber is blown on the outsole. With distinct pentagon shapes, the outsole features durable foam rubber. It is not expected to last as much as some of the other outsoles on the market, but in the end, it is performance-orientated.


It’s clear that the midsole of the Nike Vaporfly 4% Flyknit is special as well. It comes with one of the best EVA foams on the market. Nike actually claims the ZoomX foam is the best on the market. Simply speaking to runners who have tried shoes with this foam can confirm this in most cases. As seen on the Zoom Pegasus Turbo, the foam is highly responsive. It is also one of the most comfortable buttery foams found in running shoes. 

This is then combined with the full-length carbon plate. This plate has its role when it comes to better energy return. It is also what recommends the shoes for race day performance.

This is also one of the divisive opinions in the running community. The plate Nike uses is seen as on the limit of regulation by many runners. Others directly call it a method of cheating. What is clear is that the plate can enhance performance. But it would only be fair to compare this performance to other shoes with an included plate as most manufacturers have no similar alternatives.


Made with Flymesh, the upper of the shoes is very thin. It is clearly seen that the upper is made to break personal records in the detriment of all other variables such as comfort and durability. Even so, the upper performs very well. With such a thin profile, it manages heat like no other Nike shoe. It is why the shoes can be worn even on the hottest days.

Size And Fit

The fit is on points with the Vaporfly 4% Flyknit. Even without the traditional Flywire cables, they fit most runners very well. The sizes cover the needs of most runners. With the help of the asymmetrical tongue, the shoes can be as tight as needed for new personal records.

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