"Plush" mattresses offer a softer, plusher sleep surface for your comfort whilw still providing excellent support. The surface is designed to cushion your body and conform around you for greater comfort. These sets are a bit thicker than average - there aremore layers of upholstery used to provide hte higher level of comfort using only the best foam components available. Materials such as convoluted and high quality soft foams in both the build up layers and the quilt materials enhance your comfort experience.