The aj upper of Guo Xie is adjusted to be elastic, and there is a rubber band next to it.

You can adjust the tightness by pulling the yellow rope and that thread. The biggest highlight of Guo's pair of shoes is that the fast binding system named FastFit is adopted for the first time, and the upper can be tightened by pulling or lifting.

Whether it is the wearing experience or the wrapping, it reflects the sense of science and technology of the new generation AJ, which is also the 1 double AJ signature shoe without the traditional lacing system.