Vagabond says 315# for a 5ft base model now. I'm sure they can hit 450+lbs with windows, racks, and such on a 6ft bed. I know Ovrlnds can be 275# for a 6ft bed, Mine's around 300#'s, but I got full barn doors to delete my tailgate, so it only added about 270#'s before building it up with solar...