Fourseason sleeping bag designed for portability and everyday use, with a recommended operating temperature above 15 °C. Key benefits Comfortable, readytouse sleeping solution when ambient temperatures are above 15 °C — ideal for mild outdoor weather and heated indoor spaces. Compact and portable: each sleeping bag includes a dedicated packaging bag for easy storage and transport. Versatile: works equally well for outdoor trips and indoor rest, reducing the need to carry multiple bedding items. Features and specifications Usage season: spring, summer, autumn and winter (four seasons). Service temperature: above 15 °C. Packaging: supplied with a packaging bag for compact carry and neat storage. Applicable to: outdoor, indoor office, dormitory, hotel, train and similar environments. Function and performance Provides a simple, hygienic sleeping layer for use on beds, hostels, trains, or floor mats. Designed to be lightweight and portable thanks to the included packing bag, making it practical for travel and quick storage. performance in environments where the ambient temperature stays above 15 °C; suitable for yearround use when indoor heating or mild climates keep temperatures at or above this level. Compatibility and sizing notes Intended as a universal sleeping layer compatible with common sleeping situations (outdoor sleeping, hostel bunks, office rest areas, hotel beds, trains). Packing bag keeps the product compact for suitcase, backpack, or locker storage. Practical use scenarios Weekend camping in spring or autumn when daytime warmth keeps night temperatures above 15 °C — easy to carry in its packing bag and quick to set up at a campsite. Business travel: store in luggage and use in hotel rooms or on train journeys to maintain bedding hygiene and comfort. Dormitory or office naps: unfold in a dorm room or office rest area for clean, portable bedding without taking up much storage space. Care and handling Keep the sleeping bag packed in its bag for transport and to save space when not in use. Use within the recommended service temperature for comfort. If you need specifications for material, dimensions, or washing instructions, please provide them and they will be added without changing the product's stated seasons, service temperature, packaging, or applicable environments.