The Anseris 900 sleeping bag is suitable for cold and winter conditions. It is made of the most modern materials that meet the high demands of users. The filling consists of high-quality goose feathers and the fabric is made of very light micro nylon 380T with DWR (Durable Water Repellent) treatment, which makes the fabric breathable and water-repellent at the same time. Thanks to the high-quality feathers, which have a great ability to increase their volume after unpacking, and the light fabric, the sleeping bag is beautifully fluffy and has excellent insulating properties. Its exceptional features, such as light weight, high-quality fabric with DWR treatment, high-quality goose down and small volume after packing, will be appreciated especially by those who put up with light and at the same time high-quality outdoor equipment. Thermal properties were tested according to EN ISO 23537-1:2016. Goose down insulates well and, unlike duck down, has good filling (cuin) and is odorless. The sleeping bag is equipped with a branded YKK zipper with a special plastic protector that prevents the material from entering the rider and unzipping. At the head, the zipper is also secured with a velcro flap that prevents the zipper from opening on its own.