Abstract: A patient support device. The support device includes a first side for contacting a surface, the first side having a perimeter portion and an inner portion. The support device further includes a second side for contacting a patient, the second side having a perimeter portion and an inner portion. The support devices also includes at least one baffle interconnected between the first and second sides. When in an unloaded state, the perimeter portion of the first side is in contact with the surface and the inner portion of the first side is spaced a first distance away from the surface. When in a loaded state the perimeter portion of the first side is in contact with the surface and the inner portion of the first side is spaced a second distance away from the surface. The second distance is less than the first distance.