shrinkwrap

This is a boom tent type cover that needs no frame, heavy canvas. Has many cringles in place for proper tie down. Canvas is a bit musty but not terrible and still quite firm, 5 small holes have been patched with tape. Bow section measures 108 at bow end, 214 at mast end, 210 down centerline, 212...

If I shrink wrap my boat for the winter and don't uncover her next season, will I have mold problems if the shrink wrap is properly vented?