Serta Perfect Sleeper Cobalt Calm Extra Firm Twin Extra Long Innerspring 12" Mattress

4.3 (18) Reviews COBALTXF3/3XL-SPEC
Competition $1399.99 $949.99 Save $450 + Free Delivery
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Serta Perfect Sleeper Cobalt Calm Extra Firm Twin Extra Long Innerspring 12" Mattress

Competition $1399.99 $949.99
Save $450
Add to Cart
This is a special order item and will be ready for delivery in 14 days.

Explore Serta Perfect Sleeper Cobalt Calm Extra Firm Innerspring 12" Mattress

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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
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Serta Perfect Sleeper Cobalt Calm Extra Firm Innerspring 12

Serta Perfect Sleeper Cobalt Calm Extra Firm Innerspring 12" Mattress

Serta Perfect Sleeper Cobalt Calm Extra Firm Innerspring 12" Mattress
Customer Reviews 4.3 (18) Reviews

Need Help Choosing a Mattress?

The mattress experts at Gardner White have your back! Our Mattress Buying Guide can help you cut through all the confusion when you're shopping for a new mattress. Decades of collective experience went into creating the perfect guide for mattress shopping, check it out now!

We've also developed a list of the Best Mattresses of 2024. These include the Best Innerspring Mattress, the Best for Back Pain, and the Best Cooling Mattress among ten other 'Best Of' models. If you're looking for the best of the best in a new mattress, this list is your go-to guide to find youre perfect fit!

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