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Get 2 Free Pillows with Purchase! Use code 49FREE at checkout for a discount of $49.99 off the Molecule Pillow 2-Pack or your choice of bed pillows when you purchase a qualifying mattress valued $699 or more. Offer excludes Tempur-Pedic pillows.
Get Free Sheets Now! Use code SHEETS at checkout for a discount of $49.99 off the Everyday Essential Sheets (a $49.99 value) or your choice of sheets when you purchase a qualifying mattress valued $699 or more – featured below.
Serta Perfect Sleeper

Serta Perfect Sleeper Cobalt Calm Firm Pillowtop Twin Extra Long Innerspring 14.5" Mattress

4.4 (71) Reviews COBALTFPT3/3XL-SPEC
Competition $1599.99 Sale Price $849.99 $849.99 + Free Delivery
Size:
King California King Queen Full Twin XL Twin
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Get 2 Free Pillows with Purchase! Use code 49FREE at checkout for a discount of $49.99 off the Molecule Pillow 2-Pack or your choice of bed pillows when you purchase a qualifying mattress valued $699 or more. Offer excludes Tempur-Pedic pillows.
Get Free Sheets Now! Use code SHEETS at checkout for a discount of $49.99 off the Everyday Essential Sheets (a $49.99 value) or your choice of sheets when you purchase a qualifying mattress valued $699 or more – featured below.

Serta Perfect Sleeper Cobalt Calm Firm Pillowtop Twin Extra Long Innerspring 14.5" Mattress

Sale Price $849.99 $849.99
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Explore Serta Perfect Sleeper Cobalt Calm Firm Pillowtop Innerspring 14.5" 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

PillowSoft® Aire Foam

Soft foam provides enhanced cushoning for exceptional comfort and promotes airflow through its unique, gently riplling design.

Cushion Quilt™ Foam

A durable foam that offers cushiony comfort and a supportive experience.

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
Firm

Brand Serta
Mattress Type Innerspring
Size Twin XL
Height 14.50"
Width 39.00"
Depth 80.00"
Weight 53.00 lbs
Works With Adjustable Base? Yes
Profile Height 14.5"
Warranty 10 Years
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Serta Perfect Sleeper Cobalt Calm Firm Pillowtop Innerspring 14.5

Serta Perfect Sleeper Cobalt Calm Firm Pillowtop Innerspring 14.5" Mattress

Serta Perfect Sleeper Cobalt Calm Firm Pillowtop Innerspring 14.5" Mattress
Customer Reviews 4.4 (71) 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 2025. 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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