Naturehike, Mummy Sleeping Bag, Pro Outdoor Down Sleeping Bag for Cold Weather, Water Repellent Sleeping bag with Compression Sack, High Fluffy Duck Down Filling, For Hiking/Travel/Expedition

【PREMIUM DOWN FILLING】: Filled with 650FP selected duck down certified by authoritative organizations, it is not only fluffy and lightweight, but also safe and warm. 【WATER-REPELLENT FABRIC】: Made of 20D waterproof nylon fabric, no down leakage, and effectively prevent wet and cold air from entering. 【DUAL WIND-BLOCKING STRIP DESIGN】: Effectively prevents cold wind from blowing in, and provides efficient insulation even when used outdoors. 【YKK TWO-WAY ZIPPER】: High-quality zipper, smooth and firm pulling, smooth opening and closing. The zipper can be opened at both ends, which is anti-pinch and convenient to use. 【SADDLE-SHAPED NECK AREA】: Wraps around the head and neck warmly, which can effectively block the cold wind blowing in, retain the heat, and warm you to sleep.(700g/1000g down sleeping bag only) 【THREE-DIMENSIONAL FOOT AREA】: More room for foot movement, less restraint, allowing feet to move freely and stay warm. 【MULTIPLE CHOICES】: 3 models, two sizes each with two colors to choose from, choose the right one according to the temperature indication and actual needs.