Perfect Sleeper Cobalt Calm 13" Plush Mattress Set, Twin

4.6 (1,142)
Clearance
Now $847.00 (57% off)$1,979.00
Size:Twin

Type: Set with Standard Profile Box Spring

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Offers & perks
Free Box Spring
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71/mo.* suggested payments for 12-months totaling $847.00 with Macy's Card.

Product details

Web ID: 21339196
Featuring a 3-zoned coil design, Serta's Perfect Sleeper Cobalt Calm 13" Plush Mattress offers pressure relief and support where you need it, along with the luxurious feel of Cool Twist® Gel Memory Foam that contours to your body.

  • 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
    • 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: 491
    • 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
    • Certified flexible polyurethane foams meet CertiPUR-US® program standards for content, emissions and durability, and are analyzed by independent, accredited testing laboratories
    • 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 provides a comfortable and supportive sleep experience, with a balanced firmness that conforms well to the body and relieves pressure.
  • Many customers report improved sleep quality and reduced back pain compared to their previous mattresses.
  • The mattress is described as having high-quality, durable construction and effective cooling technology.
  • The medium firmness level seems to accommodate a wide range of sleep preferences.
AI-generated summary from 1,141 customers reviews.
4.6/5

1,142 star ratings, 1,141 reviews

Write a Review
79.1% of reviews have 5 stars
903
11.5% of reviews have 4 stars
131
4.8% of reviews have 3 stars
55
2.1% of reviews have 2 stars
24
2.5% of reviews have 1 star
29

232 customer images

1,141 reviews
William M
4 days ago

Comfortable mattress

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

Customer review from Serta

CLOSEOUT! Serta Perfect Sleeper Cobalt Calm 13" Plush Mattress-King This review is from CLOSEOUT! Serta Perfect Sleeper Cobalt Calm 13" Plush Mattress-King
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

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