Wearing nike free shoes, except for your feet to create a healthy walking environment, but also let your foot in the shortest period of time, restore the most primitive active. Meanwhile, this is the first function NikeFree with Nike + shoes, allowing runners real-time understanding of their running distance, speed, time and calories burned through new technology, experience the thrill of the old walk. NikeFree sports shoes since its inception four years ago, every design changes are subtle, but they have greatly improved the performance of sports shoes. Continuous improvement in NikeFree process, such steps to maintain the natural state of motion so that the outer end of the structure has been widely used in basketball shoes, training shoes, running shoes, tennis shoes and traditional nature of these advanced features in sports shoes.