The Jetty series roof top boat carriers from SportRack are budget friendly, easy to use, and easy on your boats. The Jetty and Jett Deluxe roof rack boat carriers are constructed from heavy duty closed cell foam with a non-skid bottom. The foam construction allows for a universally secure fit, for both your vehicle and you kayak or canoe. The Jetty Saddle is constructed from hard polymer with soft rubber pads to conform to the base of any kayak. The polymer construction allows the boat carrier to withstand any beating in any weather.