Okay, the question is: Is polyester waterproof? The simple answer is no, polyester is not completely waterproof. But in fact, no material is completely waterproof. The terms "waterproof" and "water repellent" are often confused, but they do not mean the same thing.Waterproof vs. Water-Repellent: What's the Difference?The difference between waterproof and water-repellent lies in the materials and..
