I had this car cover on the road for 10 days. I washed the car before covering it. So far it has withstood the heat and high winds and kept my car clean. The wind has caused the soft bottom fabric to curl up, but that's the only wear and tear so far. I tested the outer material for water resistance and it appears to be waterproof as advertised. We'll have to wait until it rains to know for sure. I hope this doesn't damage the clear coat like other brands have done. One final note: I like the driver's side access, but the zipper tends to open on its own or in the wind because it doesn't snap. So I'm sticking with the old school and using a safety pin to keep the zipper in place 😊Update 26/7 - it rained hard enough to make my open car look dirty lol. My covered car was left untouched! So far so good with this cover! hp Don't forget to remove the antenna before using this case!