Blue 300CT Plush

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The Serta iComfort Blue 300CT Plush mattress combines the feel of a medium plush mattress with the benefits of Serta’s latest breakthroughs in memory foam technology. It combines Serta TempActiv™ Gel Memory Foam with a layer of EverCool® Fuze™ Memory Foam for enhanced cooling comfort that also supports every curve of your body. It also features a layer of Deep Reaction™ Memory Foam for a substantial, deep-down feel not often found in traditional memory foam.

Top Layers of Comfort
Beginning with a TempActiv Touch Cover, the cooling effect is noticeable right at your fingertips.  Beneath the cover find additional cooling technology with ¾” TempActiv™ Gel Memory Foam giving you additional temperature regulation throughout night. 1” EverCool® Fuze™ Memory Foam contours and supports while also increasing airflow. 1” Serta® Balanced Support Foam provides a firm support feel. 1 ½” Deep Reaction™ Memory Foam adds another layer of conforming support.

Core Layers of Support
At the core of the Blue 300 you’ll find 6” of Serta® Ultimate Edge® Foam. This is the foundation for the advanced Gel Foams. It provides a firm and long-lasting support system.

Our Recommendation
The Serta iComfort Blue 300CT Plush mattress is a comfortably plush option with exceptional pressure relief. Great for all types of sleepers, we specifically recommend this model for side sleepers or back sleepers needing relief from painful pressure points.

  • Twin XL
  • Full
  • Queen
  • King
  • Cal King
  • Split Cal King
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Products to Complete Your Sleep System


Additional information

Dimensions N/A
Bed Size

Twin XL, Full, Queen, King, Cal King, Split Cal King





Comfort Type


Mattress Type


Comfort Layers

1.5" Deep Reaction Memory Foam, 1" EverCool Fuze Gel Memory Foam, 1" Serta Support Foam, 3/4" TempActiv Gel Memory Foam

Support Structure

6" Serta Foam Core

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