M400 LeftZip Sleeping Bag, Grey Practical, comfortable, and easy to carry. Designed for campers who need room to move, reliable warmth, and simple care. Key benefits Spacious boxy shape: 86.6 in x 31.5 in (220 cm x 80 cm) gives plenty of room to stretch, roll, and sleep comfortably like on a bed at home. Consistent warmth: M400 temperature rating provides protection in cold conditions. M400: 18 C to 1 C (0.4 F to 33.8 F). Choose the appropriate model for your expected outdoor temperatures from M180, M300, or M400. Convertible and flexible: Doubleslider zipper lets you open and close the bag from inside or outside, and the bag converts easily into a quilt when you need more ventilation or shared bedding. Connectable design: Spliced edges allow two sleeping bags to be joined into a large double sleeping bag for couples or family use. Easy care: Machine washable construction keeps the bag soft and fluffy after washing without deformation. Compact and portable: Compresses to 11 in diameter by 17.7 in length (28 cm x 45 cm) and weighs 4.1 lb (1.85 kg). Includes a compression sack for efficient packing and transport. Materials and construction Outer layer: 210T spring silk fabric for a soft, breathable exterior. Fill: quality featherlike antifeather cotton for insulation and loft. Lining: Washed cotton technology combined with polyester fiber fabric for a soft, skinfriendly interior that holds up to washing. Zipper: Fulllength zipper with double sliders; leftside configuration for this model. Hood: Integrated hooded cotton for added head warmth. Dimensions and weight Use size: 86.6 in x 31.5 in (220 cm x 80 cm) Storage size: 11 in diameter x 17.7 in (28 cm x 45 cm) Weight: 4.1 lb (1.85 kg) Available models: M180, M300, M400 Color and style: Grey, leftzip Practical use scenarios Backpacking and hiking: Compresses small enough for a backpack while providing reliable insulation on multiday treks. Car camping and road trips: Spacious design and convertible quilt option make it comfortable for sidebyside sleeping in a vehicle or tent. Weekend camping and festivals: Easy to wash after use and quick to pack away into the compression sack for transport. What to expect A roomy, convertible sleeping bag that balances comfort, warmth, and portability. The combination of a soft outer fabric, featherlike fill, and a washable inner lining makes it suitable for regular outdoor use where easy care, packability, and adaptable warmth are important.