The bivouac bag serves as external protection for the sleeping bag during planned and emergency sleeping in nature. Protects against moisture, rain and dirt and increases thermal comfort. It has taped seams and long zippers on both sides, which are covered with a layer and allow comfortable use. The bag is big enough for all kinds of sleeping bags and you can put a mat and some personal belongings in it. It is equipped with an inner pocket for documents and a mosquito net in the head area. Bivouac bag has 3000 mm water column on top material and 4000 mm at the bottom.