Nike Free is technology developed by Nike, Inc. and Gerard Hartmann and incorporated into some of their athletic shoes. Nike Free attempts to simulate barefoot running [1] while wearing a shoe.[2]
As this shoe allows the muscles in the foot to gain strength by providing less constriction, runners are advised to gradually break into the shoe rather than immediately running long distances as to prevent muscle cramps and other discomforts.[3]
In 2006 Nike released a new version of the shoe, the Nike Free V2, that addressed some of the durability issues in the earlier model. Among other changes, the heel and sidewalls of the shoe were redesigned to prevent tearing.
Since then, the Nike Free V3 (2007) and Nike Free V4 (2009) models have been released.
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About the Nike scale
The Nike shoe scale goes from 10.0 to 3.0 with a '10' being a fully supportive shoe, and '0' being completely barefoot.[4]
Example: The 5.0 Nike Free is like running halfway barefoot, the 3.0 is even less shoe, and the 7.0 is a bit more supportive.
Versions of the Nike Free
Running
- Free 7.0
- Free 5.0 v2
- Free 5.0 v3
- Free 5.0 v4
- Free 4.0
- Free 3.0
- Free Everyday
- Free Everyday+ 2
- Free 5.0 iD
Cross Training
- Free 7.0 Trainer
- Free 5.0 Trainer
- Free 5.0 v2 Trainer
- Free 4.0 Trainer
- Free Sparq '09
- Free D Dynamic
Trail Running
- Free Trail 5.0
See also
References
- ^ "Barefoot Running - Nike Free". Faze Magazine. http://www.fazeteen.com/winter2004/nikefree.htm. Retrieved 2009-03-01.
- ^ "Review of Nike Free Technology". American Track & Field. http://web.archive.org/web/20071213160847/http://www.american-trackandfield.com/features/nikefreereview04.html. Retrieved 2009-03-01.
- ^ "Review of Nike Free 5.0 at The Final Sprint". The Final Sprint, LLC. http://www.thefinalsprint.com/2006/10/nike-free-50-trainers-gimmick-or-running-shoe-breakthrough/. Retrieved 2008-09-24.
- ^ "Nike Free Web Site". Nike. http://www.nike.com/nikefree/usa/index.jhtml. Retrieved 2007-09-09.
External links
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