![]() We meticulously measured the Alphafly 2 and found that it boasts a substantial 7.5% increase in forefoot width compared to the Vaporfly Next% 2. Therefore, the Alphafly Next% 2 is expected to be a great shoe in chilly weather. Winter running? Yes, please!Īs we discussed in our guide about running shoes and temperatures, PEBAX foams are simply the best performers under freezing temperatures, bar none. This additional weight may make it less suitable for those seeking a lighter, more agile option in shorter races, even at half marathon. With the average carbon-plated racing shoe weighing in at a mere 203 grams, the Alphafly 2 tips the scales at a slightly heftier 243 grams. Obviously, the Alphafly 2 can be worn for blazing-fast 5K or 10K races, but it's important to note that its weight might be a slight drawback for these shorter distances. Nike Alphafly Next% 2 is better suited for long racesĪ reviewer said that this new version is not very versatile, and it’s a “niche shoe” only for half marathons and marathons. And a quick tip: For the best possible fit, it's highly recommended to give this pull tab a firm tug once you're settled inside the shoe. Oh, and a handy pull tab on the tongue is also present, which greatly simplifies the process of slipping into the shoe. This design choice makes sense, as Alphafly remains comfortable for marathon distances and beyond. ![]() For comparison, the tongue in the ASICS Metaspeed Sky is 85% thinner, while the Saucony Endorphin Pro 3 is 65% thinner. It has different angles of traction placed where you need it, providing grip from foot-strike to toe-off.The Alphafly features a 3.5 mm-thick, integrated sock-like tongue that offers exceptional cushioning, especially for a high-performance shoe. The sole was designed using data from hundreds of runners.An integrated knit tongue with lofted padding makes for a secure, repeatable fit that helps reduce lace pressure.Notched laces offer a secure, but soft lace-up.Specifically designed heel pods use Flyknit yarns for secure, extended comfort and lightweight heel lockdown. Part of the Flyknit family-Atomknit material on the upper has a contoured fit while being lightweight and super-breathable. ![]() Both the forefoot and heel offer slightly wider bases for a stable platform, so you can tackle turns on the course with confidence. It gives you a propulsive sensation and helps you smoothly transition through your stride. Full-length carbon fiber plate delivers a sort of roll-forward feel that makes you want to take on the next step. It’s built for speed but also provides cushioning to help you stay fresh even in the last miles of a marathon. Full-length ZoomX foam offers an ultra-lightweight and responsive ride. The additional foam not only adds more bounce, but also helps improve transition from heel to forefoot. A thin rubber outsole enhances traction and allows for more ZoomX foam to be placed under the Zoom Air cushioning. ![]() Zoom Air units and full-length ZoomX foam bring you our highest energy return cushioning system yet, adding more bounce to every step. Modernized graphics nod to the original Mayfly while bold race-day colors and Ekiden-inspired details celebrate the sport you love. ![]() By In anticipation of one of the biggest running races, we're celebrating the 20th anniversary of the Nike Mayfly, a popular ultra-lightweight racing shoe. ![]()
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