Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress, King

4.6 (1,077)
Clearance
$1,076.99 (67% off)$3,239.00
Size:King

Type: Set with Standard Profile Split Box Spring

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Free Box Spring
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90/mo.* suggested payments for 12-months totaling $1,076.99 with Macy's Card.

Product details

Web ID: 21339158
Featuring 825 density coils, this supportive mattress offers zoned comfort and pressure relief where you need it—with upgrades available for even more cooling and comfort.

  • Product Features

    • Available in 9" standard or 6" low profile foundations
    • Top type: tight top
    • Mattress type: innerspring
    • 850 Edition Custom 3-zoned support coil system is a system of individually wrapped coils that provides contouring and cradling support from edge-to-edge, minimizing the impact of your partner's movements
    • Cool Twist® Gel Memory Foam is a breathable, gel-infused memory foam that gently cradles your body while promoting enhanced airflow
    • CoolFeel™ Fabric is a luxurious, breathable cover with a cool-to-the-touch sensation from technology that is plant-derived*
    • Antimicrobial Mattress Protection keeps your mattress fresh and clean from odor causing bacteria (this product protects the mattress but does not protect users against bacteria, viruses, germs or other disease organisms)
    • Coil count: 1059
    • The Serta Perfect Sleeper Foundation, constructed of wood and metal, provides the perfect support for your Serta mattress and is designed to provide durability and long-lasting comfort
    • Compatible with an adjustable bed
    • Warranty: 10-year non-prorated warranty
    • Meets federal fire-retardant safety standard
    • Made in the USA of imported and domestic parts
    • Woman Owned
    • Request warranty information

  • Shipping & Returns

    • Shipping Method: Scheduled Delivery
    • Enjoy a longer window to return most of your holiday purchases. See our Extended Holiday Return Policy to see if this item qualifies.
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

4.6/5

1,077 star ratings, 1,076 reviews

Write a Review
79.7% of reviews have 5 stars
858
11.2% of reviews have 4 stars
121
4.5% of reviews have 3 stars
48
2.0% of reviews have 2 stars
22
2.6% of reviews have 1 star
28

229 customer images

1,076 reviews
Serta Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress Set, Full This review is from Serta Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress Set, Full
Donald A
5 days ago

The best ever!

I couldn’t ask for a better bed. Back trouble and all. It’s a dream. Trust me on this

Customer review from Serta

Monica S
7 days ago

Serra review

Wonderful mattress. Impressive for the price

Customer review from Serta

Keith B
8 days ago

Cloud 9

Very comfortable, no added foamtop needed. Quality is great.

Customer review from Serta

Kaitlyn R
9 days ago

Comfortable

So far so good! Very comfortable and great support on my back and hips.

Customer review from Serta

Samantha M
11 days ago

Goodnights sleep finally!

Finally getting good rest, it’s the perfect blend of firm and plush, and my hips no longer hurt, no my husbands back!

Customer review from Serta

Shawn D
12 days ago

Firm

Nice firm Mattress

Customer review from Serta

Susan H
13 days ago

Hope replacments better than first set

Hopefully this replacement mattress and box springs are better that then first one rec'd

Customer review from Serta

Winter P
14 days ago

Matress is so comfortable

Matress is very comfortable and has helped with my constant back pain!

Customer review from Serta