Perfect Sleeper Cobalt Calm 13" Plush Mattress Set, California King

4.6 (1,137)
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$1,212.30 (63% off)HOMEapplied Sale $1,347.00$3,239.00
Size:Cal King

Type: Set with Standard Profile Split Box Spring

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Available for scheduled delivery to 60602.

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Free Box Spring
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68/mo.* suggested payments for 18-months totaling $1,212.30 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: 1160
    • 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
    • This box spring arrives in two pieces. Split box springs make it easier to maneuver through narrow stairwells, elevators and door frames.
    • 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 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 pillow top adding an extra layer of plushness.
  • Many reviewers report experiencing improved sleep quality, reduced back pain, and feeling more rested upon waking.
  • The cooling technology is also highlighted as helping to regulate body temperature for a comfortable night's sleep.
AI-generated summary from 1,136 customers reviews.
4.6/5

1,137 star ratings, 1,136 reviews

Write a Review
79.0% of reviews have 5 stars
898
11.5% of reviews have 4 stars
131
4.8% of reviews have 3 stars
55
2.1% of reviews have 2 stars
24
2.6% of reviews have 1 star
29

232 customer images

1,136 reviews
Andrea H
4 days ago

Perfectly Dreamy!

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

Customer review from Serta

CLOSEOUT! Serta Perfect Sleeper Cobalt Calm 13" Plush Mattress-Queen This review is from CLOSEOUT! Serta Perfect Sleeper Cobalt Calm 13" Plush Mattress-Queen
Cindy N
4 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
4 days ago

Best nights sleep ever!

Best nights sleep ever!

Customer review from Serta

Diane J
6 days ago

Comfy

Comfy and supportive mattress

Customer review from Serta

Daniel B
7 days ago

Great sleep

Soft yet supportive.

Customer review from Serta

James G
7 days ago

Serta Good Sleep

Firm mattress provides a restful and satisfying sleep - aches melt away.

Customer review from Serta

CLOSEOUT! Serta Perfect Sleeper Cobalt Calm 13" Plush Mattress-Full This review is from CLOSEOUT! Serta Perfect Sleeper Cobalt Calm 13" Plush Mattress-Full
Bruce B
7 days ago

Mattress

Super comfortable

Customer review from Serta

Barbara O
9 days ago

Quality

Nice firm and great quality

Customer review from Serta