Fitment: Fit 2015-2021 F150 Pickup 6.5ft Styleside Bed | Xcover roll up soft tonneau cover is an unique tonneau cover, with several patented innovations on the side rails, cross bars and rear latches. | Top-Mount Style -- The cover sits on top of the bed rails for improved water runoff and minimal bed space intrusion. It will not be compatible with models that have existing accessory on your truck bed rails | Patent Pending Built-In Cross Bars Design -- Low profile bows/cross bars are connected with the tarp and will roll-up together with the cover that allows full and instant access to the bed for hauling and transporting cargo and provide a smooth look when closed. | Direct Clamp-On. It features a no-drill design and applies to your bed with heavy-duty adjustable clamps. Will be installed in less than 20 minutes.