Serta Perfect Sleeper Cobalt Calm 15" Plush Pillow Top Mattress
$1,199.00$1,299.00
$26/ Month
 with 60 months financing. 
Serta Perfect Sleeper Cobalt Calm 15" Plush Pillow Top Mattress
$1,199.00$1,299.00
$26/ Month
 with 60 months financing. 
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The ultra plush Cobalt Calm 15’’ mattress offers an unparalleled restorative sleep experience with its innerspring design. Enjoy incredibly cool, contouring comfort with two layers of Cool Twist® Gel, which features a breathable layer of memory foam enhancing airflow and heat dissipation. Deep Reaction™️ memory foam makes sure you never have a restless night. The PillowSoft® Aire foam layer promotes airflow through its unique, gently rippling design, keeping you comfy all night long. Conforming Quilt-Loft® memory foam hugs your body for additional comfort at the surface of your mattress. Experience even more contoured lower back and hip support with the three-zoned 850-coil density system. This mattress is topped with an anti-bacterial, cool-to-the-touch cover made with CoolFeel™️ fabric, helping stomach and back sleepers achieve perfect sleep. Being CertiPUR-US® Certified, rest assured knowing our foam materials are free from harmful chemicals and gasses.
| dimensions assembled | 60.00W x 15.00H x 80.00L | length inches assembled | 80 | 
|---|---|---|---|
| height inches | 60 | width inches | 15 | 
| height inches assembled | 15 | width inches assembled | 60 | 
| length inches | 80 | 
| sku | 84842 | pillow type | Side | 
|---|---|---|---|
| adjustable base compatible new | Yes | product care | Regularly rotating your mattress can prolong its lifespan and provide you with a more comfortable sleep surface. In general, it's recommended to rotate your mattress every 3 to 6 months. | 
| all features | Adjustable Base Compatible, Cooling Technology, Hypoallergenic, Motion Separation, Pocket Coil | support system | 850 3 Zoned Coil System | 
| coil count | 850 | sustainability | CertiPUR-US Certified | 
| comfort layers | CoolFeel™ Fabric, Quilt Loft™ Foam, PillowSoft® Aire, Cool Twist® Gel Memory Foam, Deep Reaction™ Memory Foam, Cool Twist® Gel Foam, Serta® Support Foam | top upholstery | Antimicrobial Mattress Protection | 
| comfort level | Ultra Plush | type of mattress | Innerspring | 
| edge support | 360 Degree | warranty info | 10 Year Non-Prorated | 
| intended use | Indoor | wellness benefits | Back Pain Relief, Reduces Motion Transfer, Relief for Hot Sleepers, Reduces Tossing and Turning | 
| made in america | Yes | zone support | 3 Zone | 
| mattress top type | Pillow Top | 









