High strength polyester StormPro 600D marine canvas is designed for extra durability and all-weather protection. Fabric coating technology and heavy-duty fabric offer maximum water resistance and repellency. Resistant to mildew and UV damage. Full cut to allow extra room for accessories like bow rails and running lights. Elastic cord sewn into bottom hem gives a tight, custom fit. Support pole included to prevent water from pooling and to help preserve the cover. Dual rear air vents reduce inside moisture and air pressure on cover at high speeds. Integrated buckle and strap system for easy fitting and trailering. Adjustable straps snap into quick-release buckles. Storage bag and trailering straps included.