Featuring a three-zoned coil design, the Perfect Sleeper 15″ Cobalt Calm mattress from Serta offers pressure relief and plush support with a pillow top. Cool Twist® Gel Memory Foam contours to your body. • Mattress top: pillow top • Mattress type: innerspring • 850 Edition Custom 3 zoned support coil system of individually wrapped coils provides contouring, cradling support from edge-to-edge, minimizing the impact of your partner’s movement • Breathable Cool Twist® Gel Memory Foam gently cradles your body while promoting enhanced airflow • CoolFeel™ fabric creates a luxurious, breathable cover with a cool-to-the-touch sensation from technology that is plant-derived • Antimicrobial mattress protection keeps your mattress fresh and clean from odor-causing bacteria; does not protect users from bacteria, viruses or germs
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