At first glance, when looking at the needle and thread of the physical fitness suit, the actual needle and thread will be relatively uniform, and the width will not change much. On the contrary, the fake needle and thread may not look very neat, and sometimes there may be skewed situations. Some areas will be wider, while others will be very narrow. In short, the workmanship is very rough.
Secondly, judging by the fabric, the real fabric feels relatively soft and has a bit of luster. The fake one looks rough, and the comfort is very poor, and there is no visible luster.
The third test is the water absorption capacity. It really has strong water absorption ability and feels very breathable when worn, while fake ones have poor water absorption ability and lack any comfort