Overall length includes bumper and ladder but not hitch. Performance Features. Comprehensive tie down system with front and side tension panels and bottom strap for a custom-like fit. Air vents reduce wind stress and inside moisture for improved life. Off Season - All Season Easy Entry. Side zippers with long zipper pulls reduce the need for a ladder. Roll-up straps. Zipper lock strap to hold zippers securely in place. Installation and Folding System. Compression stuff sack with printed folding instructions. Unique strap attachment system eliminates crawling under RV to install attachment straps. Two color front label for easy orientation. PolyX 300 Fabric. Rugged 300 denier polyester fabric offers superior tear resistance. High strength with low weight and bulk makes installation easier. Water repellent fabric dries fast and offers excellent protection against dirt and sun damage.