[rubbinisracing]

The "Duststop" does an excellent job of keeping the fine grit from working/settling through the fabric. It is also thick enough to provide some protection from bumps and scrapes. The flannel is softer but the "Duststop" is still quite soft, the only real advantage I see with the flannel would be in a windy environment where the cover rubbing against the finish could cause some chaffing.

I had a different brand for the first few I bought (don't remember the brand) and have since disposed of them. The California Car Cover brand tend to fit a little loose when new which has served me well. Once a year I take them all and about $125 and takeover the local laundromat. After washing they fit fine.