In fact, in normal times, there are still many ways to judge its quality. The first is fabric identification. What we need to know is that if it is a product of poor quality, then it uses recycled materials and has a peculiar smell. , The compound strength of glue and cloth is poor, the glue is white, and it will wrinkle and peel off when used; workmanship. If the equipment is backward, the stitch length of the garment is too large, the stitch height is inconsistent, the sealing is not up to standard, and it is very easy to seep. Design styles. First consider the actual effect of rain protection and wearing comfort, and secondly, pay attention to beauty. There is also available according to air permeability. If it is rain-proof, the human body is sealed and the heat inside the body cannot be exhausted, and the outside is cool and the inside is hot, forming water accumulation and wetting the lining of the raincoat.