Snowmobile Storage Cover Black Medium. Tough ProtekX™ Plus fabric provides all-weather protection. An elastic hem cord creates a fast and tight fit while dual air vents reduce moisture and wind lofting. Featuring a non-scratch hood liner and integrated storage bag with attachment straps included, this cover offers as much convenience as utility. To measure your machine, please go in a straight line from the front bumper to the rear; do not measure following the top of the machine.