Extremely small to pack, light, yet comfortable even at -3°C. The sleeping bag with a weight of 550 g is ideal for bikepacking, solo hiking or demanding treks. During these activities, every gram and centimeter counts and at the same time you need to have maximum confidence in your equipment. The lightest sleeping bag from the Mountain Equipment brand, FIREFLY, can offer you all this at a glance. Thanks to the highest quality 900cuin feathers, it weighs only 550g, is windproof, strong and also comes with a 10-year warranty.