Summary

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

6 reasons to buy

  • A tester said that the Nike Free RN Flyknit MS was great for running, for working out and for daily use.
  • The fabric used in the upper unit was able to wrap around the foot perfectly, noted one runner.
  • According to some runners, the sock-like fit kept the foot free from irritation, and that it enabled natural movement.
  • Many users wrote that this model looked visually appealing.
  • The soft and springy mid-sole unit made one reviewer feel as if they’re running on clouds.
  • Runners generally felt comfortable when they wore the Nike Free RN Flyknit MS.

2 reasons not to buy

  • A few testers noted that it felt a bit narrow.
  • A reviewer felt that it wasn’t able to deliver the authentic natural stride of another iteration of the Free series.

Bottom line

The Nike Free RN Flyknit MS was widely appreciated by the runners. Many were impressed by the way it delivered natural movement. The comfortable upper cover system received praise, as well. Reviewers noted that this neutral shoe was great for athletic and casual activities.

Facts

Update:
Terrain: Road
Arch support: Neutral
Weight: Men: 7.6oz | Women: 6.4oz
Heel to toe drop: Men: 8mm | Women: 8mm
Pronation: Neutral Pronation
Arch type: High arch
Material: Vegan
Strike Pattern: Midfoot strike
Distance: Competition
Heel height: Men: 24mm | Women: 24mm
Forefoot height: Men: 16mm | Women: 16mm
Brand: Nike
Type: Low drop
Width: Men: Normal | Women: Normal
Price: $130
Colorways: Green
Size
Small True to size Large
See more facts

Rankings

A top rated Road running shoe
A top rated Nike running shoe
It has never been more popular than this April

  • The Nike Free RN Flyknit MS was created to allow runners to move their feet as naturally as they can. It delivers exceptional freedom of movement, while also keeping the runner as comfortable as possible. High quality materials were used in the making of this model, and they work in tandem to keep the foot engaged and enabled.
  • The upper unit of this Nike running shoe uses the Flyknit technology. This material doesn’t have any extra overlays or underlays; it’s a single-piece material that resembles woven cloth. It easily conforms to the shape of the wearer’s foot, giving a sock-like fit. Dynamic Flywires are added to help the upper fabric in covering the foot securely.
  • Responsive cushioning is given by the Nike Free RN Flyknit MS’s mid-sole unit. A responsive foam unit is placed in a flexible carrier. The combination of these two materials results in a comfortable, pliable and springy ride. Flexibility is enhanced by the Auxetic Tri-Star groove system in the outsole. The wearer’s foot isn’t restricted to move in all directions, thus affording true freedom of motion.

The Nike Free RN Flyknit MS runs a bit large. It is recommended for runners to purchase ½ size smaller in order to get a more relaxed fit. The available width for both the men and women’s versions is medium. It accommodates those with medium sized feet. Its semi-curved shape adheres naturally to the shape of the human foot.


The Auxetic Tri-Star outsole design features triangular cuts in the foam that act as flex grooves. They allow the foot to move more naturally and freely. The toe-off benefits from this design because it causes the platform to be more flexible, thus permitting the toes to bend more efficiently.

Durable rubber is placed in the forefoot and rear sections of the outsole. It protects these areas from wear and tear. It also delivers traction, which is important for every running activity.


The midsole unit is comprised of a core and a carrier that’s fused into one single unit. The IU002 Carrier acts like a foundation for the inner foam, keeping it robust and unfazed to multiple use. It’s also flexible, so it doesn’t limit the movements of the runner.

The Lunar foam makes up the core unit of the Nike Free RN Flyknit MS’s mid-sole. This lightweight foam is also responsive and comfortable. It cushions the landings, attenuating shock in the process. It even helps the runner in achieving an effective toe-off because of its springy nature.


Flyknit is the technology used in the upper unit. It’s a one-piece material that resembles woven cloth. It provides a sock-like fit, so it wraps around the foot ergonomically. It smooth nature makes it non-irritating to the skin.

The Dynamic Flywire system makes use of cables that connect to the Nike Free RN Flyknit MS’s shoelaces. They make the cover system feel snug and secure.

Comparison

Author
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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.

jens@runrepeat.com