In the middle of the ZoomX foam there is a full-length carbon fiber plate "designed to generate extra spring in every step". Pebax foam can also be found in airplane insulation and is "squishier, bouncier, and lighter" than foams in typical running shoes. The ZoomX material can be found in other Nike products as well. The composition of the sole contains a foamy material, Pebax, that Nike has altered and now calls it ZoomX. The following versions released in 20 are part of the Next% family. In 2018, Nike released a second iteration called the Vaporfly 4% Flyknit. The shoe was then released to the general public as the Vaporfly 4%. The shoe first emerged as the Vaporfly Elite and was worn by Kenyan athlete Eliud Kipchoge on during Breaking 2 - an attempt to break 2 hours in a marathon - on the Monza racing track in Italy. The Vaporfly series has a new technological composition that has revolutionized long-distance running since studies have shown that these shoes can improve run times up to 4.2%. The Nike Vaporfly first came out in 2017 and their popularity, along with its performance, prompted a new series of running shoes. The dark grey line shows the carbon fiber plate. Nike Vaporfly shoe Nike Vaporfly cut in half to show the different layers that make up the base of the shoe. Brooks Sports, a competitor of Nike in running shoes, said in a public statement that they would generally "spend more time between prototype and bringing a shoe to market but the recent World Athletics ruling pushed us to reassess our go to market strategy" and other companies are in the same situation. Competitors of Nike rushed to bring new running shoes to market in time to meet the new guidelines so their sponsored athletes had a chance to compete in the Tokyo 2020 Olympics and for these companies to show off their products in one of the most watched sporting events in the world. These new guidelines suited Nike's Vaporfly shoes which were already publicly available however, other companies were left to catch up. The components of the shoes are not the only thing that had major changes starting April 30, 2020, "any shoe must have been available for purchase by any athlete on the open retail market (online or in store) for a period of four months before it can be used in competition". The plate may be in more than one part but those parts must be located sequentially in one plane (not stacked or in parallel) and must not overlap". The major changes of these guidelines state that the "sole must be no thicker than 40mm" and that "the shoe must not contain more than one rigid embedded plate or blade (of any material) that runs either the full length or only part of the length of the shoe. These complaints have been happening since 2017-2018 but World Athletics did not give a clearer answer until January 2020. These updates came to answer the complaints many people have had concerning the technology in the Nike Vaporfly running shoes. On January 31, 2020, World Athletics, the governing body for professional track and field, issued new guidelines concerning shoes to be used in the upcoming Tokyo 2020 Olympics. You may have to select a menu option or click a button.In 2017, Nike released the Nike Zoom Vaporfly Elite shoe, which was advertised as "ultra-lightweight, soft and capable of providing up to 85-percent energy return." This shoe became the focus of claims that they were a form of technology doping and that they provided athletes an unfair advantage. Follow the instructions for disabling the ad blocker on the site you’re viewing.You may have more than one ad-blocker installed. You’ll usually find this icon in the upper right-hand corner of your screen. Click the icon of the ad-blocker extension installed on your browser.When it turns gray, click the refresh icon that has appeared next to it or click the button below to continue.Click on the large blue power icon at the top.Click the UBlock Origin icon in the browser extension area in the upper right-hand corner.It will turn gray and the text above will go from “ON” to “ OFF”. Click on the “ Ad-Blocking” button at the bottom.Click the Ghostery icon in the browser extension area in the upper right-hand corner.Switch off the toggle to turn it from “ Enabled on this site” to “ Disabled on this site”.Click the AdBlocker Ultimate icon in the browser extension area in the upper right-hand corner.“ Block ads on – This website” switch off the toggle to turn it from blue to gray.Click the AdBlock Plus icon in the browser extension area in the upper right-hand corner.Refresh the page or click the button below to continue.Under “ Pause on this site” click “ Always”.Click the AdBlock icon in the browser extension area in the upper right-hand corner.Adblock Adblock Plus Adblocker Ultimate Ghostery uBlock Origin Others
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