All stress seams are overlapped and double stitched for superior strength. * Strong, bar-tacked tie-down loops secure cover on watercraft for trailering. * Zippered gas cap access panel allows fueling while the watercraft is on a trailer. * An adjustable, heavy-duty, multi-strand shock cord is sewn around the entire hem. * The underside of the cover has heavy-duty, double layer reinforcement panels in high abrasion areas.