Nike zoom vaporfly 4 review vn năm 2024
The Nike Vaporfly 4% is a much-hyped shoe, which is based on the shoes Nike developed for their attempt to break the 2-hour marathon. It's an expensive shoe, retailing for $250, and even at that price it's hard to find. There are rumors that Nike are restricting supplies to drive up interest. The shoe is unusual in that it has a carbon fiber plate running through the midsole. Given all the hype, I was not expecting much from the Vaporfly 4%, but there are aspects to the shoe that have really impressed me. I'd say it's a mixture of the awesome and awful, though not in quite the ways I expected. Show
Overall, I feel like I'm faster in the Vaporfly than other shoes by a noticeable amount, which is quite astonishing. This is hard to confirm, but my Heart Rate and perceived exertion seem noticeably lower for a given pace and Stryd Power Estimate. On the other hand, I feel like the Vaporfly has a real risk of injury, adding stress on to ankles and knees. After many hours of consideration, and hundreds of miles of running, I've rated the Vaporfly as "best of the best" in spite of its many flaws. It's expensive, almost impossible to find, and risks injury, but it's just so good that I think if you can handle the extra stress, it's worth it. (I use The Science of Running Shoes as the basis of how I test running shoes and what you should look for in a running shoe.)
This review was made possible by readers like you buying products via my links. Sadly, I don't have a link to the Vaporfly as it's so hard to find. However, I don't only review products that I have affiliate links for, and I buy all my gear at the same retail outlets you do to avoid even subconscious bias. I'd like to thank the many readers who buy products through the links on the left-hand navigation bar. Your funding for this site helps enormously. Contents1 Characteristics
2 Other Breaking-2 ShoesNike's highly publicized attempt to break the 2-hour marathon was documented in the National Geographic "breaking 2" (freely available on youtube.com). That failed attempt used the Nike Vaporfly Elite, a shoe you can't buy. This Vaporfly uses the same ZoomX foam and a carbon fiber plate in the midsole as the Vaporfly Elite. There is also the Nike Zoom Fly which looks superficially identical to the Vaporfly, but is radically different and vastly inferior. 3 Is It Really Faster?A study "A Comparison of the Energetic Cost of Running in Marathon Racing Shoes" looked at the performance of the similar prototype shoe to the Nike Vaporfly. This study included researchers working for Nike, as well as the University of Colorado, and it used a shoe that not actually the Vaporfly, so use caution in interpreting the study. The picture below gives some insight to the construction of the Vaporfly, but also suggests some differences from the prototype which appears to have a full with carbon fiber plate. The prototype was compared with the Nike Zoom Streak 6 (NS) and the Adidas adizero Adios BOOST 2 (AB). It's nice to see that they disclosed the actual shoes they compare it to. The researchers added small weights to the two Nike shoes so they were weight matched with the Adidas. A mechanical check showed that the prototype shoe was twice as well cushioned as either of the other shoes, deforming 11.9mm versus 6.1 and 5.9 mm. They prototype also had more bounce, returning 87.0% compared with 75.9% for the Adidas and 65.5% for the Steak. The study then compared the Running Economy of sixteen male high-level runners in the three different shoes. The runners have a VO2max of ~72, which is translates to a marathon time of about 2:20. They tested them at 14 kph (6:53 min/mile), 16 kph (6:02 min/mile), and 18 kph (5:22 min/mile), all below the Lactate Threshold of the runners (4 mmol/l, which is good enough for this study.) The running economy of the prototype shoe was 4% better than either of the other two shoes, which had similar running economy. The study noted that the prototype shoe was slightly better for rear foot landing runners (~4.7%) than the forefoot landing (~3.6%). 4 Update After 100 MilesNormally, I would give an update on a pair of running shoes once I'd put rather miles on them. However, the vapor fly as something of a reputation for fragility, so I wanted to track its progress carefully. Even after this short distance, there is some evidence of the foam midsole braking down. If you look at the profile picture below, you can see some increases in the midsole appearing, and there is a noticeable indent under the ball of my foot. On the underside of the shoe, there is only a small amount of abrasion on the exposed foam. The hard rubber outsole (the black areas) are completely unchanged, suggesting that they are surprisingly hard wearing. The grip has improved over the course of the 100 miles. The main abrasion area on the exposed foam midsole is on the outside rear edge, where I occasionally catch my heel on steep descents. It should be noted that my running biomechanics are fairly efficient, and I'm typically quite gentle on my shoes. The upper is doing fine, even where I've cut open the toe box. 5 Update After 200 MilesOver the last hundred miles I've come to really enjoy running in the Vaporfly. I've found my calf muscles have adapted reasonably well, and I've not had the ankle issues that I was fearing. My plantar fascia has been a little irritated, but nothing excessive. The foam midsole has continued to collapse, which is made the lack of support under the first metatarsal rather noticeable, and I can feel where the carbon fiber plate ends a little more distinctly. As you can see from the photos below, there's been remarkably little wear on the rubber outsole, and the exposed midsole is holding up pretty well. The Vaporfly is an awesome shoe for faster runs, but it does surprisingly well for Long Slow Distance. So, my initial thoughts of "awesome but awful" remain, and I'd still urge an abundance of caution as I think there is a significant injury risk to the vapor fly, but if you can handle the stress, and you can find a way to obtain a pair, I highly recommend it. 6 Update After 300 MilesAnother 300 miles have gone by quickly and pleasantly. The degradation of the Vaporfly has continued slowly, without any "falling off the cliff" that sometimes occurs. I've cleaned up the shoes a little more carefully for the photos below, and you can see that the midsole has a thin white plastic layer over the slightly more yellowed foam. The level of abrasion of the exposed midsole is surprisingly limited given the mileage. The black rubber outsole is even less abraded, and most of it looks entirely untouched. The midsole foam continues to collapse, but the collapse under the carbon fiber plate is far less than it would be without it. This means that the margin around the outside of the shoe where there's no plate is noticeably lower, and the area under the ball of my foot is depressed several millimeters. It's interesting when I swap back to "normal" running shoes. The extra support under the ball of the foot with fresh shoes is dramatic and feels really weird, but the big difference is how much I miss the spring of the Vaporfly. 7 A Comparison with other Recommended ShoesIf you're looking for "the best of the best" running shoe, here are my top picks. Of course, the answer will depend a little on what you're looking for, so I have recommendations for various categories.
For a more detailed on running shoes see the Recommendations for Best Running Shoes. This table lists the key attributes of What to Look for in Running Shoes. For more detailed information, on the shoes see detailed shoe comparison. |