Different car covers have different purposes. Some are meant just to keep dust off in a garage, others are designed for really bad weather or anywhere in between. I'm guessing yours is like the Boss': a garage cover. Ford does sell Covercraft covers for the elements, but theyre overpriced so look elsewhere if interested. I believe mine was a little over $300 and Ford wanted $450+. If it's going to sit for awhile and/or you get high winds, get the "gust guards" to prevent flapping in the wind (a little, their covers are heavy), which will affect the paint. Don't ever use a light/cheap cover outdoors for this reason.