Building upon over a decade of Nike Free innovation, Nike unveils new additions to its Free footwear family. Each features a progressive geometric auxetic midsole designed to enable an athlete’s natural motion and develop strength, whether they are running or training.
Nike Free auxetic midsole technology for Running and Training
Mo Farah in Nike Free RN Flyknit
Dafne Schippers in the Nike Free RN Flyknit
Allyson Felix in Nike Free Transform Flyknit
Ashton Eaton in the men's Nike Free Train Force Flyknit
Drawing upon new studies that reveal how the foot expands and contracts upon impact with and liftoff from the ground, the splaying, auxetic midsole mimics how the body and foot react to force. It absorbs shock while accounting for the dual-plane expansion in foot size — approximately one size in length and two sizes in width — that occurs throughout an athlete’s foot strike.
Moreover, the multi-directional outsole flexibility closely mimics this changing shape, whether an athlete is moving linearly in running or multi-directionally in training. The resulting flexibility puts the foot, rather than the shoe, in control. Or, as explained by three-time gold medal sprinter Allyson Felix, "Using Nike Free footwear in my training is all about strengthening my feet. I really like having that natural movement in my shoes. Everyone’s feet are different, so it’s great to have a shoe that really moves with you."
Every runner possesses a one-of-a-kind stride, defined by his or her respective gait and physique.
Nike Free RN Motion Flyknit
This running shoe enables the runner’s most dynamic movement. It pairs a fully adaptive, single-piece Nike Flyknit upper featuring 3D ribbing from the forefoot to heel with the new auxetic midsole.
Nike Free RN Flyknit
The zonally engineered, lightweight Flyknit upper combines a sock-like fit with a classic silhouette that molds to the foot. The midsole features the same expansive auxetic technology with a brand new, softer IU foam for additional underfoot comfort.
Nike Free RN
Lightweight and dynamic, this running shoe unites an engineered mesh upper for flexible support with a brand new, softer IU foam for additional comfort underfoot.
The ways an athlete trains are as varied as the reasons why. They run, jump, cut and lift, requiring varying degrees of support and flexibility.
Nike Free Transform Flyknit
This low-profile training shoe features a Flyknit upper designed to enhance support. Flywire locks down the foot during lateral cuts while an integrated heel counter keeps an athlete stable for movement in all directions. A two-piece interior pairs cushioning for repetitive high-impact moves with a firm outsole that delivers more support during the toughest workouts.
Men's Free Train Force Flyknit
This low-profile training shoe features a 5/8-height Flyknit upper designed to promote a feeling of support. Flywire locks down the foot during lateral cuts while an integrated heel counter keeps an athlete stable during hard cuts. Dual-density tooling pairs cushioning for repetitive high-impact moves with a firm outsole that delivers stiffer support during rigorous lifts.
The Nike Free RN Flyknit and Nike Free RN are available from April 7th in men’s, women’s and young athlete sizing at Nike.com. The men’s Nike Free Train Force Flyknit and women’s Nike Free Transform Flyknit are available from April 7th at Nike.com. All styles are available to be customized with NIKEiD.
The Nike Free RN Motion Flyknit is available from May 5 on Nike.com.
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