National Geographic Sleeping Bag - Lightweight Mummy 230 x 74 cm, Weight 1.25 kg The National Geographic Sleeping Bag (code AL0069) is a great choice for those looking for a comfortable and warm sleeping bag for their outdoor adventures. The sleeping bag is designed in a mummy shape, meaning it is narrower at the bottom to help retain body heat. This design minimizes heat loss and ensures optimal thermal insulation in challenging weather conditions. The large dimensions of the sleeping bag provide enough space for a comfortable sleep and free movement inside. You can walk in it freely, and at the same time it provides good thermal insulation and protection from the cold. The sleeping bag is made of light and durable material, which is resistant to damage and ensures long-term use. The material is also breathable, which ensures a comfortable sleep, maintaining proper air circulation. The inside of the sleeping bag is lined with a soft and pleasant to the touch material, which further increases the comfort of sleep. In addition, the sleeping bag also has a hood that can be adjusted to the shape of the head and thus provide additional protection against the cold. The sleeping bag also has practical features, such as a two-way zipper that makes it easier to get in and out of the sleeping bag, and a compression bag that makes it easy to pack and carry. Temperature comfort: 4 °C Temperature limit: -2 °C Temperature extreme: -17 °C Dimensions: 230 x 74 cm Weight: 1.25 kg Material: 100% polyester