The POLAR BEAR case is designed to keep your camcorder warm in cold temperatures. It is thickly padded with insulation and interior lined withmylar fabric to reflect heat back into the camera chamber. Air activated warmers placed inside the case to maintain interior temperatures to keep battery, recorder, lens, and hands warm:- tested at -50 degreesfahrenheit! Two hand openings at the lens are enclosed with fleece cuffs for warm access. Suede leather handles make it comfortable to carry. Attached insulated lens hood protects the lens in transport. It also prevents condensation from forming when bringing POLAR BEAR in from the cold. Hood stores conveniently inside pocket when shooting. Twin zip fasteners in the base of the Polar Bear allow easy and flexible access for tripod mountings.