It’s quite springy and initially I felt like I just wanted to jump up and down in these shoes as if I were on a trampoline. So all in all, I had quite high expectations of the new Nike Epic React Flyknit 2. Some have even claimed that the Nike Epic React was the best shoe that they’ve ran in in 2018. It has a bit of a wider base and it has a different cushioning material than the Pegasus Turbo (Nike React foam versus ZoomX foam). Watch this video from Nike to learn more about the new React foam.From what I’ve heard and seen of the Nike Epic React, this should be a shoe that fits me a bit better. Nike says they’ll offer another shoe this summer, the Odyssey, with the same midsole foam but a more conventional upper, and an even more accessible $120 price tag. The unpadded heel counter was also a bit finicky and rubbed some testers. The lacing is not very adaptable, however, and the fit of the ankle and heel collar is tight and can make the shoe hard to get on. Stretchy and forgiving in the forefoot and snug and supportive around the instep and ankle, it slips on easy and disappears-if it fits. Minus: The tight-fitting, minimally-padded FlyKnit upper can be either a strength or the one weakness of the shoe.
That’s true of all energy-return foams, but the Epic React delivers it in a far lighter package and faster-feeling ride than we’ve tested to date. Plus: “React is all about delivering this combination of plush with energy return that is going to last a long time,” says Kim. Reportedly Nike elites Eliud Kipchoge, Evan Jager and Shalane Flanagan have been enjoying prototypes on their easy runs. That said, most runners will think of these as lightweight, neutral trainers for casual runs or up-tempo days, while only speedsters will rack up lots of miles on them. The shoes felt fast, popping off the toes quickly during 400m repeats at 5K pace, yet also held their own in comfort and protection on easy 10 milers. Our wear testers confirmed the shoe’s versatility: While bouncy is the foam’s primary personality, it is also comfortable and cushy, and the 9mm heel-toe drop with an aggressive toe-spring rolled along nicely at any pace. “We wanted React to be something that would help the everyday runners of the world,” Kim says. Who’s it best for? Nike designers intended for React to be a “democratic innovation.” Unlike their firm, fast Zoom X that is tuned for elite speed, React has a softer, more forgiving feel while still delivering a decidedly responsive and lightweight ride. A u-shaped plastic clip surrounds the base of the heel counter and adds a touch more rearfoot stability. Wavy grooves cut into the sides and bottom of the midsole are computer-designed to create areas of greater cushion-such as along the diagonal mid-line from the outside of the heel to the first-toe joint-and areas of greater support, e.g., on the inside of the heel and the outside of the ball. The Epic React showcases the new foam in a simple, single-layer midsole with a thin rubber outsole covering only the heel and toe. “The biggest guess? 20 miles,” Kim reports. After running a loop of the Nike campus, about a 5K, Nike asked testers how many miles they thought were on this shoe.
“We took wear-test shoes that already had 500 miles of wear on them, cleaned them up and put them on wear testers,” says Footwear Innovation Director Ernest Kim. In contrast, React, they say, tested like new even after 500 miles, both in the lab and on runners’ feet. They admit that most foams, including their own Lunarlon, start to lose their cushioning and bouncy feel after about 150 miles. In addition to its performance qualities, Nike touts React’s longevity. Instead of starting with notoriously heavy polyurethane foam like other energy-return midsoles, React foam is based on a synthetic rubber and represents an entirely new chemistry for Nike and the industry. 22, breaks new ground by delivering not only top-shelf cushioning combined with exceptional energy return, but does so on a lightweight platform. Their Nike Epic React, which hit stores Feb.
As might be expected, however, rather than launching a “me too” product, Nike has been busy in the lab creating something new in the category. The Scoop: Footwear giant Nike has been surprisingly slow to jump on the “energy return” bandwagon, first made popular by Adidas’s Boost line that launched five years ago.
Specs: Men’s (size 10): 18mm (forefoot), 27mm (heel), 9mm heel-toe offset Women’s (size 8): 12mm (forefoot), 22mm (heel), 10mm heel-toe offset.
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