Most athletes agree that the Fly 3 is rather light and “light enough to accelerate.” It is also lighter than Nike sprint spikes on average. As one reviewer puts it, the shoe is “grippy as hell” and he could feel the spikes “really dig into the track to push forward.” Some also mentioned that the Pebax outsole on the Nike Zoom JA Fly 3 is a grippier version of the Zoom 400. With its eight ⅜-inch pyramid-type spikes made of stainless steel, the JA Fly 3 demonstrates an amazing level of grip. Reviewers also note that the strategic placement of stiffness and flexibility zones really gets you rolling once you hit that necessary velocity.
One athlete even shares that he was able to cut off more than 1.5 seconds on 200 meters. Many of them shared that this Nike spike helped them set countless personal bests. Runners enjoy a fine balance of cushioning and propulsion provided for each step: The full-length Pebax plate in the base of the Nike Zoom JA Fly 3 works wonders on the track. But if you want a Nike spike with straight lacing, Zoom 400 is a solid option.Īnd if you don’t mind paying an extra $25 to get a top-of-the-class Nike spike, consider Zoom Superfly Elite 2. Some find it beneficial, while others feel uncomfortable in it. If you run the 400m predominantly and are more of a "pacer"-type sprinter, then I'd recommend the Zoom 400.The Nike Zoom JA Fly 3 is not the best match if you are not a fan of the asymmetrical lacing system. I think if you split your duties fairly often in the shorter sprints and especially if you're more of a speed-oriented 400m runner, the Superflys are the better answer. However between the Superfly and Zoom 400 plate, I prefer the Zoom 400 if only because it's the lightest sprint spike Nike currently has on the market. However if you can get your hands on them and afford the extra 25 bucks, it seems like a no-brainer to pick the Superflys over the Jas.Īs with the other poster, I find the Zoom 400 plate less aggressive. The Jas and the Superflys use the same plate, but the Superflys seem to be harder to find and are a touch more expensive. Granted I'm not sure how durable the Atomknit weave is, as my first pair of OG Superfly Elites grew a hole over my big toe in no time at all. I think the Ja Fly 3s have honestly kind of made themselves obsolete with the Superfly Elite 2 being several ounces lighter.
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