Serta Perfect Sleeper Cobalt Calm Firm Pillow Top

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Serta Perfect Sleeper Cobalt Calm Firm Pillow Top

The Serta Perfect Sleeper Cobalt Calm Firm Pillow Top features an 850 coil density system, with three support zones. This classic quilted-top mattress offers zoned comfort, pressure relief, and memory foams that contour your body with more cooling layers and support. Designed with zoned comfort for a more restful sleep. Contouring memory foams help relieve aches and pains. Sleep comfortably all night on a cool-to-the-touch cover made with CoolFeel fabric. Cool Twist Gel Memory Foam contours to your body while regulating temperature. This mattress is firm and supportive underneath with slight cushioning on top.

The Serta Perfect Sleeper Cobalt Calm Firm Pillow Top is a celebrated mattress from a trusted brand focused on what matters most: consistent, restful sleep for every type of sleeper, whether you sleep on your back, your side, or snuggled up to someone else.  With zoned support, contouring memory foam, and a cooling cover for a comfortable sleep all night long, this mattress is your perfect sleep solution every night.

Key Features of the Serta Perfect Sleeper Cobalt Calm Firm Pillow Top Mattress:

  • 3 Zoned Coil Design – This 850-coil density system offers three support zones with targeted support for your lower back and hips and cradled comfort everywhere else.
  • PillowSoft Aire – Soft foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design.
  • Serta Support Foam – This type of foam is ideal for sleepers who prefer a firmer sleeping surface and is designed to prevent any sagging or sinking in the mattress.
  • Cool Twist Gel Memory Foam – This unique design features cooling gel swirled into premium memory foam. This breathable memory foam helps enhance airflow and heat dissipation for a feeling that can only be described as a cool, contouring type of comfort.
  • Comfort Foam – Comfort Foam is made in varying levels of softness (extra firm, firm, medium, plush, etc.) to create comfort preferences for all comfort levels.
  • Anti-Microbial Technology – Our anti-microbial mattress technology will keep your mattress fresh and clean from odor-causing bacteria.
  • CertiPUR-US Certified – Means our foam was tested for and is free from harmful chemicals and gasses.
  • 10-Year Limited Warranty – The best warranty in the business.
  • Compatible – With most frames, including: traditional frames, box springs, platform frames, slatted frames, bunky boards, and adjustable bases.
Dimensions 13 cm

10 Year

Support System

850 3 Zoned Coil System, Serta Balanced Support Foam


Antimicrobial, CoolFeel Fabric, Fiber Layer

Mattress Height


Comfort Layer

PillowSoft Aire, Serta Support Foam, Cushion Quilt Foam, Cool Twist Gel Memory Foam, Serta Support Foam


Coupon Code:

Coupon Code: SLEEPCITY
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