Thickly padded with insulation; lined with Mylar fabric to reflect heat back into the camera and air activated heat packs keep battery, recorder, lens and hands warm. Improved access to the lens (even when reaching OVER the camera); easier fit on tripods, fewer zippers, grip material around lens, suede leather handles make it comfortable to carry. (see HB-40CAM-C shoulder straps) Improved, insulated lens hood protects the lens in transport and prevents condensation from forming when bringing POLAR BEAR Camera Case into warm moist areas. A larger pocket stores wireless receivers, insulated lens cap and spare heat packs.(see PHP-2)