The Ultimate Storm Shelter! Vented double cover allows wind to pass through. Fiberglass shaft and ribs with golf grip handle and matching sleeve. The name says it all with this wind blocker. Its vented double canopy construction adds extra durability and maximum ventilation. Its fiberglass shaft and golf grip handle make it the best choice for the golfer that doesn't know when to come in from the rain. (You know who we're referring to).