Serta Clarks Hill 13" Extra Firm Mattress -King - Innerspring; Fiberglass-Free

Serta's 805 Individually Wrapped Coil System provides contouring, cradling support Serta Gel Memory Foam- contours the body for cradling comfort and allows airflow to keep you cool and comfortable throughout the night Cool Twist Gel Foam- cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation Cool Twist Gel Foam- cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation BestEdge foam encasement technology - an extra deep foam rail to help reduce edge roll-off and extend the sleep surface 10 year limited warranty, so you can stay worry free! Proudly 100% USA assembled The Serta Clarks Hill provides a cooling and supportive mattress that delivers the trusted comfort of Serta