Abstract: A multi-use sleeping bag is disclosed. In one aspect of the invention, the sleeping bag includes a bottom bag portion of reduced insulation relative to the other portions of the bag. In another aspect of the invention, the sleeping bag includes an intermediate layer disposed within the bag such as to create two sleep chambers, one above the intermediate layer and one below the intermediate layer. In another aspect of the invention, the sleeping bag includes an intermediate layer disposed within the bag, the intermediate layer including a hood portion with a face opening and the bag including a hood portion with multiple face openings, and the intermediate layer and the bag each including one or more baffles that are selectively positionable to cover the face openings.