CLOSEOUT! Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress-Queen

4.6 (1,153)
Clearance
Now $947.00 (49% off)$1,849.00
Size:Queen

Type: Mattress Only

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Offers & perks
79/mo.* suggested payments for 12-months totaling $947.00 with Macy's Card.

Product details

Web ID: 21339158
Featuring a three-zoned coil design, the Perfect Sleeper 12" Cobalt Calm mattress from Serta offers pressure relief and extra-firm support where you need it, with a Cool Twist® Gel Memory Foam that contours to your body.

  • Product Features

    • Mattress top: tight top
    • Mattress type: innerspring
    • 850 Edition Custom 3 zoned support coil system of individually wrapped coils provides contouring, cradling support from edge-to-edge, minimizing the impact of your partner's movement
    • Breathable Cool Twist® Gel Memory Foam gently cradles your body while promoting enhanced airflow
    • CoolFeel™ fabric creates 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; does not protect users against bacteria, viruses, germs or other disease organisms
    • Coil count: 850
    • Compatible with most frames, platforms and adjustable bases
    • Manufacturer's 10-year non-prorated warranty
    • Meets federal fire safety standards
    • Made in the USA of imported and domestic parts
    • Woman Owned
    • Box spring/foundation sold separately

  • 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, with customers consistently describing it as very comfortable, cushiony, and supportive.
  • Many reviewers report experiencing improved sleep quality, reduced back pain, and feeling more rested upon waking.
  • The medium firmness level seems to strike the right balance, accommodating both firm and soft preferences.
  • Overall, the mattress is highly recommended as a high-quality and comfortable option that delivers a great night's sleep.
AI-generated summary from 1,148 customers reviews.
4.6/5

1,153 star ratings, 1,148 reviews

Write a Review
79.0% of reviews have 5 stars
911
11.4% of reviews have 4 stars
131
4.9% of reviews have 3 stars
56
2.0% of reviews have 2 stars
23
2.8% of reviews have 1 star
32

232 customer images

1,148 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

Serta Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress Set, Queen Split This review is from Serta Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress Set, Queen Split
Cindy N
8 days ago

Mattress review

Purchased December 27,3025 and delivered 1/8/26. It is beginning to sink down in area beneath buttocks area. I weigh 169and husband weighs 254 and only had it for three weeks. Other than that it’s comfortable. Concerned if will continue to sink further.

Customer review from Serta

Beverly R
8 days ago

Best nights sleep ever!

Best nights sleep ever!

Customer review from Serta