an impact resistant bumper device that is elongated along a longitudinal axis and mountable on a mounting member , the device having a cross - section having an open undersurface configuration comprising : a first layer of a first polymer material having a first hardness or durometer ; a second layer of a second polymer material having a second hardness or durometer ; wherein the first layer is formed into an inner core body having an outer surface and an open undersurface ; wherein the second layer is formed into a layer bonded to the outer surface of the first layer ; a third layer of a third polymer material formed into an elongated strip bonded to the undersurface of the first layer ; and wherein the hardness or durometer of the first polymer is selected to be readily manually bendable and compressible .