Terrace Heights Plush Queen Mattress Gives a Deluxe Sleep ExperienceSerta Terrace Heights Plush queen mattress is part of the Serta Perfect Sleeper SmartSurface collection and is designed with special features that create a luxurious, supportive sleeping surface. The mattress is constructed to relieve pressure points while providing head-to-toe support. The plush-top design cradles you in comfort all night for a relaxing and refreshing sleep.The Terrace Heights Plush queen mattress combines SmartSurface Cool Balance Fabric Technology with antimicrobial Body Loft fiber on the mattress surface. Pressure point buildup at the arms, hips, shoulders and knees is eliminated. Serta's exclusive Cool Twist Gel Memory foam is a liquid gel-enhanced memory foam designed to move heat away from the body so a balanced temperature is maintained at the sleep surface. This mattress is constructed with superior 814 Free Flex Innerspring with Custom Support technology that provides continuous coil support, providing up to 25 percent more support at the center of the mattress. TrueSense Motion Isolating Coils absorb motion so that one sleeping partner's movements do no disturb the sleep of the other.