1) If it is a composite membrane (transparent and white), it can achieve waterproof, windproof and breathable effects, and different membranes can achieve different correlation indexes; Of course, this kind is more professional and expensive.

2) If there is no film covering, just ordinary fabric finishing can achieve the effect of preventing water splashing, that is, if you spill water on clothes, it will not seep down immediately, but will spill it. Because there is no strong waterproof function, there is no need to breathe.