Listed below are descriptions of the key characteristics differentiating Sleeping Bags.
             We list the Average Street Price (ASP) for a sleeping bag. Although ASP may be
             higher than the best retail price you can find, it is a good indication of what you may
             pay at a typical retailer. When an ASP is not available we list the Manufacturer
             Suggested Retail Price. (MSRP). The price listed is for the standard size sleeping bag.
             Often there are long (and occaisonally short) versions of the bag as well. The long
             version typically adds an extra 10 to 20 dollars to the price tag, while the short version
             is either the same price or a few dollars less.
             Range: $20 to almost $800. 80% of sleeping bags are between $80 and $450, with a
             median price of $180.
             Brand is usually the name of the company that makes the particular sleeping bag,
             although sometimes companies will produce several brands.
             Have you ever had the desire to be wrapped up tight just like King Tut? Then look at
             the mummy shaped sleeping bag, which is specially designed to form fit the body. The
             mummy is the most popular shape for sleeping bags, with the advantage of being very
             compact and warm. Still, some people get a little claustrophobic with no room to toss
             and turn, in which case the semi-rectangular bag is a good choice. It gives you space
             to store a few things in the bag and move about, without sacrificing the tapered foot
             area or the mummy-style hood. However remember it is less heat-efficient and a bit
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