8 lbs or 80, we insist on a rather inefficient carry mode. You may want to try a traditional TUMPLINE. This is a headband worn high on the forehead with 2- 8 ' leather straps for securing backloads or attaching to a pack. A lightwieght shelter is the TARPTENT, a very versatile unit that can be rigged in several configurations www.tentsmiths.com/page34.htm Remember that sleeping bags are rated ( usually optimistically) with a tent and even appropriate clothing.You may consider a BIVY mated to a bag.