The Yakima OutPost HD Mid-Height Truck Rack System is made of aluminum with intergrated tie-down points, and has t- slot attachment points. The HD Bar is engineered to add strength and make securing your load easier. Tht OutPost HD Mid-Height Truck Rack System has options below including the Yakima SideBar set, WearStrip set, and a couple of different kits more detailed below. The Yakima Outpost HD Mid-Height Truck Rack has a high weight capacity, but sits below the cab to provide better aerodynamics. If you are looking for a solid rack to put a rooftop tent on, this should fit the bill! Whether you are staying on the highway, or going off-roading- the Yakima OutPost HD Mid- Height Truck Rack System is the truck rack for you! | Yakima OutPost HD Mid-Height Truck Bed Rack w/ 60-Inch Bars 8001152&YAK-8001157