Sorry, the Serta Perfect Sleeper Cobalt Calm Extra Firm Twin Extra Long Innerspring 12" Mattress is no longer available. We've left this page up for reference only. Check out the great alternatives on this page or call 248-481-2208 or Chat with a Gardner White Sales Specialist about similar products.
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Mattress Buying Guide
Description
Serta Perfect Sleeper®
A simple solution for perfect sleep, every night. Featuring a 3- zoned coil design, this mattress offers pressure relief and support where you need it.
Details
What's Inside
Comfort
Serta® Support Foam
Combines gentle cushoining with extra suppot, for more firmness throughout the mattress.
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.
Support
3-Zoned Coil System
This 850-coil density system offers three support-zones with targeted support for your lower back and hios and cradled comfort everywhere else.
Specifications
Type
Innerspring
Comfort
Ultra Firm
| Brand | Serta |
|---|---|
| Mattress Type | Innerspring |
| Size | Twin XL |
| Height | 12.00" |
| Width | 39.00" |
| Depth | 80.00" |
| Weight | 46.50 lbs |
| Works With Adjustable Base? | Yes |
| Profile Height | 12" |
| Warranty | 10 Years |
Products in Collection
Serta Perfect Sleeper Cobalt Calm Extra Firm Innerspring 12" Mattress
Serta Perfect Sleeper Cobalt Calm Extra Firm Innerspring 12" Mattress
