Polar Mitten camera cases are designed to keep your camera functioning properly in cold weather. They are thick and padded with high-loft insulating material. Air-activated heat packs are placed along the inside of the case to keep the battery, recorder, lens and hands warm in extremely cold temperatures (tested to -50 degrees Fahrenheit). The insulated lens cap protects the lens during transport and also prevents condensation when moving the camera from cold to warm environments. Features - Thermal insulation protects the camera in cold weather - Use the case on a tripod or handheld - Insulated lens cap prevents condensation - Long fleece sleeve keeps hand warm - Use with air-activated heat packs in extreme cold