We spent 8.1 hours reading reviews from experts and users. In summary, this is what runners think:

5 reasons to buy

  • The minimal weight of the Nike Zoom Fly SP made it fantastic to wear during race days, several runners stated. Others found the shoe to perform excellently on short and slow runs.
  • The Lunarlon midsole was very responsive, a reviewer said.
  • The various technologies in the shoe were all groundbreaking, according to a content customer.
  • A couple of wearers remarked that the translucent upper was lighter than the Flyknit material.
  • A lot of users said the Zoom Fly SP was one of the most comfortable shoes they have ever worn.

3 reasons not to buy

  • A few testers commented that the shoe ran small.
  • The material that goes over the toes felt odd and uncomfortable, a user observed.
  • The shoelaces came undone easily, even with triple-knot ties, according to a wearer.

Bottom line

Many users were very pleased with the Nike Zoom Fly SP. Some have even gone to mention that they hoped to find the shoe’s technologies in other future productions from the brand. Others also expressed their satisfaction by saying they wanted a trail-running version of the shoe. Although there were negative comments about sizing, with the majority of praises it received, it is easy to see that the Zoom Fly SP was a successful release.

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Video reviews and unboxing

  • Nike introduces the Zoom Fly SP, in which SP stands for “Special Projects,” as part of the brand’s Breaking2 initiative. The Breaking2 is an endeavor with the goal of training the world’s top athletes to complete a marathon in under two hours. This neutral running shoe is both fast and durable and is designed for tough tempo workouts, long-distance runs, and race days. Because it is a special edition (the original version being the Nike Zoom Fly), the shoe is updated with a lightweight support system and designs that reference the Breaking2 history.
  • The Zoom Fly SP features a semi-translucent upper created from a stretch-weave material. It is adorned with futuristic elements, as well as functional components that are guaranteed to be beneficial to the foot.
  • Lunarlon makes a comeback as the midsole of the Zoom Fly SP, now upgraded with an extended height and accompanied with a nylon plate for stability in specific areas. The outsole is still a combination high-abrasion carbon rubber in the heel and foam rubber in the forefoot for the perfect balance of durability and responsiveness.

Like the original version, the Nike Zoom Fly SP is designed with standard running shoe measurements, and it caters to runners with moderate foot volumes. The shoe has a width profile of men’s D – Medium, but it is a unisex shoe, and thus could be worn by both men and women.

In the heel area of the outsole is a high-abrasion carbon rubber that has a durable quality, which is useful in minimizing the wear and tear that occurs during landing. The carbon rubber is also flexible enough to withstand abrupt shifts in position that usually takes place while running.

Meanwhile, in the forefoot to the midfoot area is a softer foam rubber that provides the necessary traction to keep a steady pace on various surfaces. It is placed in this area, where comfort would be more beneficial. The soft characteristic of foam rubber enables the outsole to be responsive, and thus produce sufficient energy return for each stride.

The foam rubber portion of the outsole has a pentagon design that is drawn using a waffle pattern. This helps in efficiently gripping the ground for a stable ride.

The Lunarlon foam is one of Nike’s proprietary midsole materials that is a combination of soft and firm foam compounds. The result is a competent midsole unit that delivers shock absorption, energy return, and stability, but not at the expense of comfort. The Lunarlon produces an in-shoe environment that is well-cushioned and permits for efficient forward propulsion.

Within the Lunarlon foam is a full-length, carbon-infused nylon plate that further enhances the shoe’s responsiveness. This component works during the propulsion phase and guarantees a smooth transition, from heel-strike to toe-off. Aside from this, the nylon plate also gives a rigid, protective element for the underfoot.

The removable insole shows a graphic of hand-drawn sketches from the shoe designer, Erick Goto, on a bright crimson background.

A unique semi-translucent mesh makes up the upper of the Nike Zoom Fly SP. It has a stretch-weave construction that expands accordingly with each foot movement. Aside from elasticity, the material also possesses lightweight and breathable characteristics, both of which contribute to a comfortable and ventilated ride.

The arch band is made of soft micro-suede fabric. It is present to provide support and stability to the midfoot, especially during long-distance runs.

Classic Flywire cables form part of the shoe’s lacing system. This technology helps maintain a snug and secure fit on top of the traditional lace-up closure.

The Zoom Fly SP also has an internal heel counter. This is a plastic component that holds the heel in place and prevents any unnecessary sliding and wobbling of the foot while inside the shoe.

Various decorative elements are found in the upper, which emphasize that the shoe is a special edition and represent aspects in marathons. These include the inside of the tongue that displays the Nike Swoosh Pinwheel logo, a Finish Checker icon, and the Nike Speed Track logo, as well as the lateral side of the shoe that features a digital clock graphic.

Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.