Key benefits - All season warmth with flexible comfort: nominal operating range 5 to 25 degrees Celsius, which helps you stay warm in cooler nights and still comfortable in temperate conditions. It is designed to support sleeping at about 40 degrees Fahrenheit. - Versatile use in and out of camp: easy to carry, use with a backpack, at a campsite, or even at home. A reliable sleeping bag for adventures. Materials and construction - External cover: 210T Nylon with breathable fabrics for durability and airflow. - Lining: 190T Polyester Pongee for a smooth, comfortable touch. - Fill material: microfiber (empty microfiber). Temperature and comfort - Nominal temperature range: 5 C to 25 C. - Comfort temperature: 17 C to 24 C. - Designed to help you stay warm at cooler nights, including around 40 F. Design and usability - Special design for comfort and practicality. - Two-way zipper: allows venting at the feet and can be opened completely to convert the bag into a blanket. - Fits an average adult and is also suitable for children, providing versatile room for growing youngsters. Portability and care - Ultra-light and compact: packs into a small, easy-to-carry package that fits into most backpacks. - Includes a travel-friendly carrying bag for storage and transportation. - Machine washable for easy cleaning and quick turnaround. Size, fit, and performance - Specifically designed to fit an average adult; offers comfortable space for movement and versatility for different scenarios. - Lightweight construction and compact packing make it suitable for backpacking, camping, and travel. Care and support - Easy to clean and maintain with machine washing. - We are committed to customer satisfaction. If you have any issue, please contact us for assistance. Use scenarios - Backpacking and camping trips: lightweight, compact, and easy to pack, with a two-way zipper for customizable ventilation and warmth. - Family camping or travel: roomy enough for adults and suitable for children, offering flexibility for different sleeping arrangements. - Home use or temporary outdoor lounging: can be opened fully as a blanket when you want extra coverage or a surface for resting. Notes - Materials and construction reflect the stated specifications: External cover material 210T Nylon with breathable fabrics; lining 190T Polyester Pongee; fill material microfiber. - Temperature guidance provides practical performance for a range of environments, with comfort zone clearly identified.