The Mountain Equipment Lunar I Sleeping Bag is a lightweight and packable bag for spring and summer backpacking and travelling. Simple, lightweight and using the same proven POLARLOFT® fill as some of Mountain Equipment's most high performance synthetic bags, Lunars are a superb introduction to the Mountain Equipment sleeping bag range. Excellent performance from great value bags, Lunars should inspire both the current and next generation of budding mountaineers. Lunar I Sleeping Bag