I would say look at marmot bags but they are a little out of your budget of $350.00. They will do every thing else that you need but the price for a -20 degree bag will be around $600.00...Sorry...Hope that helps...sabre11004...

The first step that you take will be one of those that get you there !!!!!! eek
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The first step that you take will be one of those that get you there 1!!!!!