NIKE FREE barefoot running shoes series is one of the favorite Nike running shoes by Nike fans in these two years. The forefoot of this series is commonly with Waffle nestle outsole grain design which with many friction blocks, whose grip ability is very suitable for running and can disperse the shocking to make running more comfortable. The heel use BRS1000 carbon fiber rubber of NIKE FREE barefoot running shoes series which is more wear-resisting, and has better grip, but it will leave black trace on the ground when produce violate friction. If ranking the Nike running shoes according to the flexibility, 0.0 is barefoot running, 10.0 is normal running shoes. Nike running shoes launched Nike FREE 3.0 Run, Nike FREE 5.0 running shoes, Free 7.0, Nike FREE EVERYDAY, FREE RUN and etc.
NIKE FREE series is one of the specific series of the world famous sports products maker NIKE corp. According to the product classification, it should be classified as the running shoes series of Nike’s production line. From the sports with scientific technology category, NIKE Free series movement is the NIKE FREE running technology based on the concept of “barefoot running”. According to the degree of simulation of “natural feet” which run freely, they can be divided into Nike free 3.0, Nike free 5.0 running mens shoes, and Nike free 7.0 .