For Mai 5, you can look at the color of the wood. The real wood is very light, the original color of the wood, while the imitation wood is very dark and looks rough. Also, in addition to the mainly white colors such as black and white/white red/white blue, the other colors are all suede. This should be noted, but now JS has followed up with the imitation of suede, so... ...
Mai 3 is a bit more difficult, it doesn’t have very special features. When you buy it, first look at the plastic with blue lines on the inside. The plastic is really soft to the touch, but it sticks to the shoes. The fit is very tight. The most important thing is to put it on and try it on. You should be able to tell whether it is genuine or fake. However, it is really difficult to tell the difference between Mai 3 and Mai 3. It takes a long time.