DESC: The Atom 40°F Sleeping Bag is Marmot's lightest bag. The Atom won Outside Magazine's prestigious "Gear of the Year" award for 2005. The certified 900 fill power goose down will keep you warm while shaving off precious ounces from the bag's overall weight. Every detail has been scrutinized by Marmot's designers and modified to make this the perfect bag for your fast and light expeditions.LIGHT SLEEPER Behold the Gear of the Year: A 16-ounce, 900-fill-down wonder that’s destined to be the new sleep standard for fastpackers and anyone else who appreciates gossamer weight in a three-season bag. Marmot’s ultrastuffable Atom practically vanishes into your pack. By Christopher Solomon - Outside MagazineHIT PARADE: Five Fab Features 1. How feathery is the Atom, with its über-premium down and superlight Pertex fabric? It reminded me of a chunk of San Francisco fog I once spotted scudding along California Street. How compressible? Picture a cantaloupe. 2. The Atom’s trapezoidal footbox—the ba