At 10F, The Kingcamp Ultralight Down Sleeping Bag, 650 Fp Compact Cold Weather sleeping bag 100% Polyester Imported ?Down Sleeping Bag?Camping sleeping bag is filled with white duck down, which is lighter and provides better insulation compared to other materials, offering users a comfortable sleeping experience. High-quality down sleeping bags can withstand years of use and wear, and their filling is not easily deformed or stacked. They can also be folded and stored very compactly, making them an ideal choice for travel or outdoor activities. ?Backpacking Sleeping Bag?Lightweight sleeping bag features a combination of envelope and mummy style design, which can be easily folded into the bag, making it convenient for outdoor activities such as hiking, camping trekking. The compact sleeping bag is also adjustable according to temperature. In warm weather, the bottom of the sleeping bag can be opened for ventilation, while in cold weather, the neck portion and top zipper of the sleeping bag can be tightened for better insulation. ?Durable Sleeping Bag?These adult sleeping bags made with high-quality 50D ripstop material, which have good wear resistance and can resist friction and abrasion, ensuring long-lasting durability. The travel sleeping bag has good water resistance, which can resist damp environments, and keep the body dry. The zippers are YKK, typically more durable than other sleeping bags. ?Compact Sleeping Bag with Compression Sack?At only 2.77lbs, each camping sleeping bag comes with a storage bag and a compression sack, packed size only 13.78? x 6.7?. They are ultralight and portable. This lightweight property makes down sleeping bags more suitable for outdoor activities, such as camping, scouting, hiking, adventure, climbing, and even hotel use. ?Multipurpose Sleeping Bag?Not only are these high-quality down sleeping bags great for camping, but they can also be unzipped and used as a large down blanket or mat for indoor-outdoor use. For couples, two sleeping bags can even be joined together as a two-person sleeping bag. Which can create a more intimate camping experience for couples or families, providing more warmth than sleeping in separate bags.