The Mummy sleeping bag, filled with goose down, offers a design temperature range of 33.8°F~51.8°F (1°C~11°C), suitable for Autumn and Winter adventures. Suitable for both adults and teenager, it's an essential for camping, hiking, festivals, or car sleeping. Its unique design features zippers on both sides for easy access and HOOk & LOOP on the shoulder for arm movement and warmth retention. Constructed with high-quality materials including 380T Nylon outer layer and 320T Polyester Pongee lining, it ensures durability and comfort. The 3D vertical lining cabin maintains even down distribution, providing optimal warmth with 200g goose down filling. Its waterproof shell simplifies cleaning, and though not suitable for machine washing, maintenance is easy with a cloth. With dimensions of 225 x 85 x 50 cm, the travel sleeping bag is convenient to store, folding easily into the provided storage package for space-saving portability.