No first hand experience with the soft covers here but if you do a search you will find previous posts about them. Most of them finally determine that the covers are too hard to put on and remove and that if not tied down right they will rub the paint off the coach.
Jon & Sue Francis (Retired U.S.A.F.)
Lil Girl-Rescued, Abby Rescued, Peaches Rescued
06 Allegro 35TSA Workhorse Chassis
2013 Chevy Spark Dinghy