Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress, King

4.6 (1,130)
Clearance
Now $1,347.00 (58% off)$3,239.00
Size:King

Type: Set with Standard Profile Split Box Spring

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Offers & perks
Free Box Spring
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113/mo.* suggested payments for 12-months totaling $1,347.00 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
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

Here's what customers think
  • The mattress is widely praised for its exceptional comfort and support, providing a perfect balance of firmness and softness.
  • Customers consistently describe it as very comfortable, with the pillowtop adding an extra layer of plushness.
  • Many reviewers report experiencing improved sleep quality, reduced back pain, and feeling well-rested upon waking.
  • The mattress is also praised for its cooling properties, keeping sleepers comfortable throughout the night.
AI-generated summary from 1,129 customers reviews.
4.6/5

1,130 star ratings, 1,129 reviews

Write a Review
78.9% of reviews have 5 stars
892
11.6% of reviews have 4 stars
131
4.8% of reviews have 3 stars
54
2.0% of reviews have 2 stars
23
2.7% of reviews have 1 star
30

231 customer images

1,129 reviews
William M
4 days ago

Comfortable mattress

Great mattress so far. Very comfortable and easy to sleep on.

Customer review from Serta

Shana K
6 days ago

AMAZING MATTRESS!!!

I was very nervous to purchase a new mattress after having mine for 15 years! My SERTA is super comfortable and I sleep deep!

Customer review from Serta

Prestine M
6 days ago

Comfortable mattress

Comfy supportive mattress

Customer review from Serta

April R
6 days ago

Would buy again

Comfortable supportive

Customer review from Serta

Laura E
8 days ago

New mattress

Very comfortable and good support

Customer review from Serta

Andrea H
8 days ago

Perfectly Dreamy!

Great mattress! So comfortable with the support I need for a good nights rest.

Customer review from Serta

Beverly R
8 days ago

Best nights sleep ever!

Best nights sleep ever!

Customer review from Serta

Diane J
10 days ago

Comfy

Comfy and supportive mattress

Customer review from Serta