• Terrain


    Shoes best for road, track and light gravel. See the best road shoes.


    Shoes best for trail, off road, mountains and other unstable surfaces. See the best trail shoes.

    Good to know

    As long as you stick to the road or path, and if you want just one running shoe, buy a road running shoe.

  • Arch support

    Neutral / cushion / high arch

    Shoes for runners who do not need any additional arch support (Around 50% of runners). Best for people with normal, high or medium high arches. See the best neutral shoes.

    Stability / overpronation / normal arch

    Shoes for runners who need mild to moderate arch support (Around 45% of runners). Best for runners with a low arch. See the best stability shoes.

    Motion control / severe overpronation / flat feet

    Shoes for runners who needs a lot of arch support. Best for runners with flat feet. See the best motion control shoes.

    Good to know

    - Rule of thumb: If in doubt, buy neutral shoes to avoid injuries.
    - More about arch support in this video.
    - Find your arch type by following steps from this video.

  • Use

    Daily running

    Cushioned shoes for your daily easy running. Great comfort. See best shoes for daily running.


    Lightweight shoes good for races, interval training, tempo runs and fartlek. Here are the best competition running shoes.

    Good to know

    If you want just one pair of shoes, buy a shoe for daily running.

  • Price
  • Weight
    Men: 6.5oz
    Women: 5.6oz
  • Heel to toe drop
    Men: 8mm
    Women: 8mm

    The height difference from the heel to the forefoot, also known as heel drop, toe spring, heel to toe spring or simply drop.

    There are many opinions about what a good heel drop is. We do not recommend any in particular. Lean more in this video.

  • Heel height
    Men: 22mm
    Women: 22mm
  • Forefoot height
    Men: 14mm
    Women: 14mm
  • Width
    Men: normal
    Women: normal
  • Release date
    Feb 2018
Show more facts


Expert Reviews

Experts are runners, who post reviews at youtube, directly at RunRepeat or at their own websites. Each expert is categorized from level 1 to level 5 based on expertise. See stats on expert reviews and how we calculate scores here.

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88 / 100 based on 2 expert reviews

  • 89 / 100 | Gear Institute

    This shoe is most similar in structure and function to the Brooks Hyperion, with a slightly higher platform and heavier weight, but better overall midsole performance.

  • 84 / 100 | Sundried

    The Nike Free RN Flyknit trainers are an incredibly attractive and comfortable pair of shoes. They perform well and may even improve your training if you use them correctly. They are definitely a must-have for any athlete or gym-goer.

  • First look / Unboxing | Road Runner Sports

  • First look / Unboxing | Running Warehouse

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Updates to Nike Free RN Flyknit 2018

  • The Nike Free RN Flyknit 2018 now uses a Tri-Star pattern outsole to replace the auxetic structure found in the 2017 version. It helps the foot to expand naturally without compromising cushioning.
  • The Spandex laces are utilized in the shoe. It aims to create a more personalized fit to suits the preference of the runner.
  • The Dynamic Heel Fit System has been updated. It hugs the ankle and heel to promote a snugger fit.

Nike Free RN Flyknit 2018 size and fit

When it comes to the sizing, the Nike Free RN Flyknit 2018 follows the standard running shoe length. This shoe is designed for runners who prefer to take any long and short-distance running activities to the next level. Available widths are D-Medium for the men’s version and B-Medium for the women’s version.


The outsole section of the Nike Free RN Flyknit 2018 utilizes the Tri-Star pattern, which is also used in some shoes from Nike. It allows the foot to expand naturally without sacrificing its lightweight cushioning and protection. It provides additional traction as well.


Inside a slightly firmer carrier system is a soft Phylon foam core. These features of the shoe make up the Co-molded midsole. This component of the shoe offers additional protection and comfort. It provides the runner with a hassle-free running experience.


The upper is made up of a one-piece Flyknit material which is essential in conforming to the natural shape of the foot.

Its updated construction features a more open weave which results in the better flow of air. It also provides adaptive support and a glove-like fit.

The shoe's laces and the feather-light Flywire cables work together to provide the runner with a more customized fit. These little cables are strategically designed to tighten the laces quickly. As a result, the rest of the upper unit tightens as well. Runners are in control of adjusting the amount of midfoot lockdown by loosening or tightening the laces depending on their needs.

A snugger fit is encouraged by the Spandex laces. It provides a locked-down fit without any feeling of restriction.

The updated Dynamic heel fit system is integrated into the Nike Free RN Flyknit 2018. It stretches and hugs the ankle and heel area to deliver a more secure fit.

Utilized in the shoe is the Anatomical heel. It uses a rounded construction to encourage a more natural heel-to-toe transition. This component of the shoe is made to roll with the ground as the runner strides.

Textured and solid rubber segments are integrated under the heel and toe sections for added durability in the high-wear areas.