The Lithium is a sleeping bag from the brand Marmot, designed to keep you warm during your bivouac nights in extreme temperatures. Composed of natural goose down insulation, the Lithium guarantees warmth and comfort while protecting you from moisture thanks to its Down Defender hydrophobic treatment. Its Pertex® Quantum fabric also makes it a very tear-resistant, windproof, and insulating sleeping bag. You will appreciate the many features of the Lithium, such as its enveloping hood, large foot compartment, and pocket for securely storing your belongings, making it both practical and comfortable. Lightweight, breathable, very warm, and comfortable, the Lithium will give you nights under the stars as pleasant as at home, regardless of the conditions. Main material: 100% recycled nylon Contains recycled materials Filling: 100% goose down Down blend (down/feathers): 90/10 RDS (Responsible Down Standard) certified down Fill power: 800 cuin Technology: Pertex® Quantum for wind protection and great insulation Material treatment: DWR water-repellent treatment - Down Defender hydrophobic treatment Material properties: very tear-resistant - very water-repellent - breathable - insulating PFC-free Comfort temperature: -11°C Limit temperature: -19°C Extreme temperature: -41°C Shape: mummy Season: 4 seasons Ultralight and compressible goose down with certified 800+ fill power and eco-friendly ExpeDRY water-repellent finish that enhances performance and durability with reduced drying time. Anti-snag zipper on the main zipper and the second fold-down zipper offer additional ventilation and make it easy to get in and out of the sleeping bag Anatomically designed footbox with wrap-around construction increases warmth Curved and smooth baffles prevent down from shifting, improving the bag's durability and ensuring even warmth inside ISO tested for temperature and comfort reliability scale Storage bag included Folded dimensions: 19 x 41 cm Compressed volume: 10.5 L Filling weight: 800 g Marmot Lithium - Regular: Bag length: 206 cm Shoulder width: 155 cm Hip width: 142 cm Foot width: 113 cm Recommended max user height: 183 cm Sleeping bag weight: 1,176 g Marmot Lithium - Long: Bag length: 221 cm Shoulder width: 160 cm Hip width: 147 cm Foot width: 117 cm Recommended max user height: 198 cm Sleeping bag weight: 1,285 g Marmot Lithium - Sleeping bag | Hardloop