Son of a Gun,
I have seen a Retrax cover on AKDmax's truck. This looks like a good tonneau cover for a 5th wheel setup. You roll it up when you tow and roll it closed when you don't. It wouldn't cover anything like the leaky soft tonneau cover would while towing but it seems like the best cover for those that tow and want a durable tonneau cover. Try a search on Retrax. [img]smile.gif[/img]