How To Rainproof A Jacket?

How To Rainproof A Jacket? After washing the jacket, rinse it and, while it’s still wet, hang it. Now comes the time for re-waterproofing: Spray the jacket—and spray it really well—with a waterproofing spray. I like ReviveX Spray-On Water Repellent. Then put the jacket in the dryer, and when it comes out, it should be