We installed crossbars and a cargo box onto a 2021 Ford Explorer. The crossbars and cargo box were manufactured by Yakima. The crossbars are known as the Timberline system and are made up of the Timberline towers and Corebar crossbars, this system attaches by wrapping around the vehicles existing elevated siderails. Attached to the crossbars is the Skybox 16 cargo box which provides 16 cubic feet of storage, integrated tie-downs, locks, and the ability to open from both sides.