Perfect Sleeper Cobalt Calm 12" Extra Firm Mattress, California King

4.6 (1,031)
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Product details

Web ID: 15869989

Featuring 825 density coils, this supportive mattress offers zoned comfort and pressure relief where you need it—with upgrades available for even more cooling and comfort.

  • 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 from technology that is plant-derived*
    • 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
    • Made in the USA of imported and domestic parts
    • Woman Owned
    • Request warranty information

  • Materials & Care

    • Made in the USA of US and Imported Parts

  • Shipping & Returns

    • Please note: our standard shipping and return policies do not apply to mattresses. For more information, call 1-800-BUY-MACY.
    • Shipping Method: Scheduled Delivery
    • For complete details, see our Shipping and Returns policies.
    • Please call customer service for returns.

Ratings & Reviews

4.6/5

1,031 star ratings, 1,030 reviews

Write a Review
821
117
46
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27
22 days ago

New bed

Cindy perfect great bed

Customer review from Serta

26 days ago

Serta

Great sleep experience

Customer review from Serta

28 days ago

Comfortable Amazing back support!

Best night's sleep I've had in years. No pain or pressure points.

Customer review from Serta

29 days ago

Cobalt Calm PT

Very comfortable!

Customer review from Serta

29 days ago

Sagging

We just got it 2 months ago and it’s sagging already. ☹️ and our hips and backs are in pain

Customer review from Serta

30 days ago

.

Very comfortable

Customer review from Serta

30 days ago

supportive

this mattress is very comfortable and it is supportive, only 2 weeks in and already sleeping better.

Customer review from Serta

1 month ago

NA

Great for restful sleep

Customer review from Serta