Serta Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress
$1,299.00$1,399.00
$28/ Month
with 60 months financing.
Serta Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress
$1,299.00$1,399.00
$28/ Month
with 60 months financing.
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The firm Cobalt Calm 12’’ mattress offers a supreme restorative sleep experience with its innerspring design. Enjoy cool, contouring comfort with the Cool Twist® Gel Memory Foam, which enhances airflow and heat dissipation. The PillowSoft® Aire foam layer promotes airflow through its unique, gently rippling design, keeping you comfy all night long. Cushion Quilt™️ foam and two support foam layers add extra softness to your sleep. Experience even more targeted 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 | 76.00W x 12.00H x 80.00L | length inches assembled | 80 |
|---|---|---|---|
| height inches | 76 | width inches | 12 |
| height inches assembled | 12 | width inches assembled | 76 |
| length inches | 80 |
| sku | 84838 | pillow type | Back, Stomach |
|---|---|---|---|
| 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 | 1095 | sustainability | CertiPUR-US Certified |
| comfort layers | CoolFeel™ Fabric, PillowSoft® Aire, Serta® Support Foam, Cushion Quilt™ Foam, Cool Twist® Gel Memory Foam, Serta® Support Foam | top upholstery | Antimicrobial Mattress Protection |
| comfort level | Firm | 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 | Tight Top |