Perfect Sleeper Cobalt Calm 15" Plush Pillow Top Mattress Set, King

4.6 (1,152)
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Now $1,647.00 (57% off)$3,789.00
Size:King

Type: Set with Standard Profile Split Box Spring

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Available for scheduled delivery to 07039.

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Offers & perks
Free Box Spring
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138/mo.* suggested payments for 12-months totaling $1,647.00 with Macy's Card.

Product details

Web ID: 21339588
Featuring a three-zoned coil design, the Serta Perfect Sleeper Cobalt Calm mattress offers pressure relief and support where you need it, with Cool Twist® Gel Memory Foam that contours to your body—with upgrades available for even more cooling and comfort.

  • Product Features

    • Mattress top: pillow top
    • Mattress type: innerspring
    • Breathable, gel-infused Cool Twist® memory foam gently cradles your body while promoting enhanced airflow.
    • Luxurious, breathable CoolFeel™ Fabric cover
    • 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 movements
    • Box spring available in 9" standard and 5" low-profile heights
    • 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
    • Coil count: 1059
    • Compatible with an adjustable bed
    • Meets federal fire-safety standards
    • Warranty: 10-year non-prorated warranty
    • 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 generally described as comfortable and supportive, with a medium firmness that provides the right balance of cushioning and back support.
  • Many customers report sleeping better and waking up without back pain.
  • However, a small number found the mattress too firm or experienced sagging over time.
AI-generated summary from 1,145 customers reviews.
4.6/5

1,152 star ratings, 1,145 reviews

Write a Review
78.7% of reviews have 5 stars
907
11.5% of reviews have 4 stars
132
4.9% of reviews have 3 stars
57
2.0% of reviews have 2 stars
23
2.9% of reviews have 1 star
33

232 customer images

1,145 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

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