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Serta Perfect Day iSeries Cordial Reviews

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Serta Perfect Day iSeries Cordial

The Perfect Day iSeries by Serta are hybrid mattresses featuring Serta's iSeries Technology. This is what Serta calls "a premium Serta mattress collection." This collection has 10 models: Cordial, Recognition Super Pillow Top, Triumph, Jubilance, Enjoyment, Celebration Firm, Celebration Plush, Ceremony Super Pillow Top, Applause Firm, and Applause Plush.

What is Serta's iSeries Technology? It is the pairing of Cool Action™ Gel Memory Foam and the Duet® Coil System. Cool Action™ is Serta memory foam which has been infused with MicroSupport™ Gel. Serta calls this foam "revolutionary", but offers no explanation of how it stands out from the many gel memory foams used by several mattress manufacturers. It may be in the form and manner of the gel infusion. However, the two-fold role of the gel in Cool Action is (1) to provide cooling as the gel wicks heat away from the sleeping surface, and (2) to make the memory foam more supportive without sacrificing its conformability.

The Duet® Coils in the Serta Perfect Day iSeries Cordial innerspring support system are individually wrapped dual pocket coils. These are 2-in-1 coils, a coil-in-coil design. A shorter, narrower coil is inside a primary coil. Serta calls this "intelligent cradling." When a sleeper lies down on the mattress, the primary coils respond independently to the weight of the body, each to the pressure applied directly to it. This gives a cushioning feel. When the springs are compressed to a certain point, the inner coil provides more support. This dual response makes the same mattress suitable for both lightweight and heavyweight sleepers. Serta says they "respond to each sleeper individually." The goal of this is proper spinal alignment.

The Perfect Day iSeries Cordial has three layers of Cool Action™ Gel Memory Foam in the comfort core, right below a top layer of KoolComfort memory foam. The KoolComfort is ventilated memory foam which is listed as breathable, cooling the surface through airflow. The three layers of Cool Action enhance the cushioning comformability, bringing the height of the Perfect Day iSeries Cordial to 15" and making this model plush to medium plush.

The unquilted cover contains Fireblocker, thereby meeting federal flammability standards. The Cordial also has concealed handles to make it more convenient to lift or rotate the mattress.

Serta states that their Perfect Day iSeries Cordial comes with a box spring, either standard height (9") of low profile (5"). But they actually suggest or recommend using an adjustable bed, such as the Motion Perfect® Adjustable Foundation, for more refined comfort and support.

Perfect Day iSeries Cordial comes with Serta's 25-year limited warranty. The first 10 years are full coverage, and the next 15 are prorated. This model is widely available across the United States and Canada.

  • Mattress and Bed Set Model Name

    Serta Perfect Day iSeries Cordial

  • Price Category


  • Listed Manufacturer


  • Location

    Serta International, Customer Service Department, 3 Golf Center #392, Hoffman Estates, IL 60169, 1-888-55-SERTA (1-888-557-3782)

  • Bed Classification


  • Level of Firmness


  • Inner Bed Composition

    Individually wrapped dual-coils and multi-layer gel memory foam comfort core

  • Mattress Edge Support

    Foam encasement

  • Mattress Cover Composition

    Unquilted cover with fire resistance

  • Total Mattress Height

    15 inches

  • Bed Foundation

    Box spring (9 or 5.9 inches) or adjustable bed

  • Special Features

    Dual-action coils

  • Sleep Trial

    120 days

  • Bed Warranty

    25-year warranty - 10 full plus 15 prorated

  • Manufactured In


  • Restrictions

  • Website


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