Serta Perfect Sleeper Cobalt Calm Extra Firm Mattress

Materials & Construction Our celebrated mattress, the Serta Perfect Sleeper, is new and improved with a focus on what matters most: consistent, restful sleep for every type of sleeper—back, side, stomach, or snuggled up to someone else. With zoned support, contouring memory foams, and a cooling cover for comfortable sleep all night long, this mattress is your perfect sleep solution every night. PillowSoft® Aire Foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design Gel foam lumbar support band provides support for the lower back and hips 825-coil density system provides contouring, cradling support that minimizes motion transfer, plus an extra-deep foam rail helps reduce edge roll-off and extends the sleep surface 100% USA Assembled Model Number: 500104181 Responsibly crafted CertiPUR-US® Certified means our foam was tested for and is free from harmful chemicals and gasses Care To protect your mattress from sta