The Sidewinder is the best in class all side opening aluminum- bodied hard side rooftop tent with more standard included options. The Sidewinder Rooftop Tent has a setup and put back in a time of less than a minute. The Overland Vehicle Systems Sidewinder Rooftop Tent comes standard with an anti- condensation mat under the thick two- inch mattress, standard functional and removable cross bars for additional exterior storage, an insulated honeycomb base, and enough interior space to store bedding when closed. The Sidewinder Rooftop Tent also comes with adjustable interior pop- up struts for increased linear head room through the length of the rooftop tent and ideal for additional support for when weight has been added to the cross bars. The Sidewinder Rooftop Tent has a clean, rugged, durable, sleek and an aerodynamic design compared to traditional rooftop tents. The Overland Vehicle Systems Sidewinder Roof Top Tent has t-slot accessory channels to help mount recovery gear and many other smaller light weight accessories. The Sidewinder Roof Top Tent comes with two standard cross bars to help carry extra gear for your adventure. Cross bars are fully compatible with Thule and Yakima accessories. The cross bars are not expandable, but they have the ability to be removed if need be. The Overland Systems Sidewinder Hard Sided Roof Top Tent is manufactured with premium 600D ripstop waterproof tent body, window screens are 120G environmental fadeless breathable gaze, two nitrogen gas charged struts that are 35/5" long by one- inch, one adjustable interior pop-up strut, ballistic nylon pull strap, aluminum aircraft grade handle, marine- grade 304 stainless steel hardware, universal adjustable aluminum channel, military specked weatherproof seal, and the base is one- inch aluminum honeycomb insulated.