The Charleston is the softest pillow top mattress in our ComfortMaster collection and offers the perfect balance of comfort and support.  If you like that initial feel of a mattress that lets you sink in to the sleeping surface for that oh-so-comfortable feeling, look no farther than the Charleston.  Even with the Charleston's deep-down comfort, we still start out with our patented ComfortFlex continuous coils system that gives the perfect blend of an initial softer feel but with the solid, comfortable long lasting support from its unique interlocking coil system.  We use our unique insulation package for a longer useable...