Mixed fabric uppers and snug fit in the upper house to provide good supportive synthetic patch to make shoes more durable. Midsole outsole wear resistance can be achieved twice, significantly reduce the overall weight of shoes.
Nike Free Run 2 Forefoot wider grooves designed to enhance the driving force to toe, while improving muscle strength and exercise more perfect barefoot feeling. Sole external snubber pad wear increases BRS 1000 carbon rubber, making the region more durable wear. Major force in the region part of the design of the hard rubber, shoes increased grip and abrasion resistance
