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

4.6 (1,147)
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$1,032.30 (59% off) with code: HOME Sale $1,147.00$2,529.00
Size:Twin

Type: Set with Standard Profile Box Spring

Tiles
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Offers & perks
Free Box Spring
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58/mo.* suggested payments for 18-months totaling $1,032.30 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.
    • A luxurious, breathable CoolFeel™ fabric cover with a cool-to-the-touch sensation
    • 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: 491
    • Compatible with an adjustable bed
    • Meets federal fire-safety standards
    • Warranty: 10-year non-prorated warranty
    • 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 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.
  • Overall, the mattress seems to be of high quality and delivers a restful and rejuvenating night's sleep for most users.
AI-generated summary from 1,140 customers reviews.
4.6/5

1,147 star ratings, 1,140 reviews

Write a Review
78.6% of reviews have 5 stars
902
11.5% of reviews have 4 stars
132
5.0% 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

1,140 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

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

Serta Perfect Sleeper Cobalt Calm 15" Plush Pillow Top Mattress Set, California King This review is from Serta Perfect Sleeper Cobalt Calm 15" Plush Pillow Top Mattress Set, California King
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

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