Featuring a three-zoned coil design, the Perfect Sleeper 13" Cobalt Calm mattress from Serta offers pressure relief and plush support where you need it, with a Cool Twist® Gel Memory Foam that contours to your body.
Mattress top: tight top
Mattress type: innerspring
Cool Twist® Gel Memory Foam is breathable, gel-infused memory foam that gently cradles your body while promoting enhanced airflow
Luxurious, breathable CoolFeel™ cover with cool-to-the-touch technology
850 Edition Custom Support Coil System provides curve-hugging support and minimizing the impact of your partner's motion
BestEdge® Foam Encasement technology with an extra-deep foam rail to help reduce edge roll-off and extend the sleep surface
Coil count: 539
Compatible with most frames, platforms and adjustable beds
Meets federal fire-safety standards
Made in the USA of imported and domestic parts
Woman Owned
Box spring/foundation sold separately
Size Reference for Serta Calm 13" Plush Mattress-
Available Sizes: Twin XL
