Serta Perfect Sleeper Cobalt Calm Plush Pillow Top 15" Mattress

About the Cobalt Calm Plush Pillow Top Mattress Featuring a 3-zoned coil design, this mattress offers pressure relief and support where you need it, with Cool Twist® Gel Memory Foam that contours to your body. Features Cool Twist® Gel Memory Foam - This unique design features cooling gel swirled into premium memory foam. This breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort. 3 Zoned Coil Design - This 850-coil density system offers three support zones with targeted support for your lower back and hips and cradled comfort everywhere else. Anti-Microbial Technology - Our anti-microbial mattress technology will keep your mattress fresh and clean from odor-causing bacteria. Custom Support Coil System - This 825-coil density system provides contouring, cradling support and minimizes motion transfer. Phase Change Material - Stay temperature-regulated with this technology, which absorbs body h