ROOF SIDE RAIL FOR VEHICLES

A roof side rail is positioned on a roof side of a vehicle along a longitudinal direction of the vehicle. The roof side rail includes a roof side outer panel formed with a cross-section projecting outward relative to the vehicle and a roof side inner panel formed with a cross-section projecting inward relative to the vehicle. Upper and lower portions of the roof side inner panel are respectively assembled with upper and lower portions of the roof side outer panel. A roof panel is removably mounted on the vehicle. When the roof panel is installed, the roof side outer panel supports the roof panel.