Serta Perfect Sleeper Cobalt Calm Medium Pillow Top Mattress


Adding to cart… The item has been added
In Stock Delivery by Appointment in (1-3 Weeks)
Free Shipping

Serta Perfect Sleeper Welcome Banner

Serta Perfect Sleeper Cobalt Calm Medium Pillow Top Mattress

The all-new, enhanced Serta Perfect Sleeper® mattress provides even better pressure-relieving comfort and support, while maintaining a balanced sleeping temperature to help promote undisturbed sleep. Inside the Perfect Sleeper, Serta’s exclusive Gel Memory Foam features unique technology designed to deliver cool, contouring pressure relief for the best sleep you’ve had in ages. All models include the 825 Edition Custom Support™ Coil System for exceptional support and reduced motion transferSerta Perfect Sleeper® mattresses are now made with Antimicrobial technology in the cover, which kills harmful microorganisms and prevents them from affecting the appearance and lifespan of mattresses.


Cobalt Calm Firm Pillow Top Comfort Rating

Plush is considered neutral, falling in the middle comfort range. Added cushioning creates an overall soft comfort experience.

  Cobalt Calm Features

Serta Mattresses
  • Anti-Microbial Mattress Protection Technology 
  • CoolFeel Fabric
  • PillowSoft Aire 
  • Serta Support Foam
  • 850 3 Zoned Coil System 
  • Serta® Balanced Support Foam

 Cobalt Calm Firm Pillow Top Cutaway

Mattress Specifications
Quilting Layers
  • Antimicrobial Mattress Protection
  • CoolFeel Fabric
  • Fiber Layer
Upholstery Layers
  • PillowSoft Aire
  • Serta PillowSoft Foam
  • CushionQuilt Foam
  • Cool Twist Gel Memory Foam
Support System
  • Serta Support Foam
  • 850 3 Zoned Coil System
  • Serta® Balanced Support Foam
Coil Count
  • Twin: 493
  • Twin XL: 532
  • Full: 675
  • Queen: 850
  • King: 1056
  • California King: 1160
Coil Gauge
  • N/A
Mattress Height
  • Approximately 14.5"

 Warranty Badge


Related Products

An exceptional experience