Also keep in mind that compactness has its issues too. Sure you can put anything into a compression sack to get it as small as possible, but this makes the result a rigid cylinder which sometimes wastes space in the pack as you can't use all of the space in the effectively.
One place to start looking at is the 3 season Warbonnet Yeti. It is a 2/3 underquilt which is 40" wide x 46" long.
Good judgment comes from experience, and often experience comes from bad judgment. - Unknown
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