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iSeries Hybrid Sleep System Reviews

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iSeries Hybrid Sleep System

In early 2014, mattress manufacturer Serta updated its iComfort and iSeries lines. According to Bedroom Magazine, "The updated collections were inspired by the company’s own consumer research." As part of the update, Serta released its new iSeries Hybrid Sleep Systems collection.

iComfort was conceived by Serta as the memory foam mattress line for this traditional manufacturer of innerspring mattresses. iSeries are hybrids, adding coils to the iComfort configuration of foams. The coils now used are Duet® Coils. These are dual pocket coils, a coil-in-coil design patented in 2010 by Sealy.

About the revised iSeries, Serta says, "More gel. More coils. iSeries® is now redesigned with more innovations for 2014."

Several coils have been added to the support core, bringing the coil count to 1088 for Queen size. This is to increase support, making it more consistent for the whole body and increasing conformity for pressure relief. Surrounding this support core is Serta's BestEdge® 6 Foam Encasement for edge support.

More gel has also been added. Each model in the iSeries Hybrid Sleep System features Cool ActionDual Effects® Gel Memory Foam. This new Serta memory foam is infused with two kinds of gel. MicroSupport® gel and MicroCool+™ gel. As the names imply, one gel is designed for support and the other for cooling. The overall proportion of gel in the memory foam is higher than in earlier versions. This new gel foam is also used in the new iComfort mattresses.

iSeries Hybrid Sleep System has five models: Approval Super Pillow Top, Expression Firm, Merit Super Pillow Top, Vantage Firm, and Vantage Plush.

Besides the Cool ActionDual Effects® Gel Memory Foam and Duet® Coil Individually Wrapped Coil-in-Coil Support System, other features found in one or more of the models are Serta® PillowSoft™ Foam, Serta® Support Foam, Serta® Comfort XD™ Foam and EverCool® Gfx Memory Foam.

The new iSeries Hybrid Sleep System models are already available through several retailers, both online and in stores. All the models carry Serta's 25-year warranty with the first 15 years non-prorated, last 10 years prorated.

  • Mattress and Bed Set Model Name

    iSeries Hybrid Sleep System

  • 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

    Hybrid - memory foam and coils

  • Level of Firmness


  • Inner Bed Composition

    dual coil-in-coil pocket coils with foam comfort layers

  • Mattress Edge Support

    Foam encasement

  • Mattress Cover Composition

    Varies by model

  • Total Mattress Height

    13 to 15.5 inches

  • Bed Foundation

    Platform, slats, or adjustable bed

  • Special Features

    Dual action gel memory foam, dual coils

  • Sleep Trial

    120 days

  • Bed Warranty

    25-year limited warranty

  • Manufactured In


  • Restrictions

    Keep in sanitary condition, and provide proper foundation

  • Website


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