Nike Free Run Shoes Introduce

Oct 9
08:48

2012

Chen Sara

Chen Sara

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Nike Free is a technology invented by Sasha Kerigaysky. It is a famous and popular barefoot running shoe in the world,Nike Free Run Shoes Introduce Articles it sold very well and gets a great respect from the customers. 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, such as the notorious shin splints.

It was introduced in 2004 after Nike representatives observed some of the track athletes supplied by them were training barefoot. The numbering system indicates the cushioning of the shoe and follows a scale ranging from 0 (barefoot) to 10 (normal running shoe), i.e. Free 3.0 being the least and Free 7.0 being the most cushioned model so far[citation needed]. It is unclear why each model is numbered x.0, rather than just x..

Nike started the Free series with the Nike Free 5.0 in 2005 and in 2006 released a new version of the shoe, the Nike Free 5.0 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 5.0 V3 (2007) and Nike Free 5.0 V4 (2009) models have been released along with various other models from the Nike Free 3.0 V1 and V2 to the Nike Free 7.0 V1 and V2.

 

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