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Serenity GEL Reviews

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Serenity GEL

Serenity GEL by BedInABox is a triple-layered gel memory foam mattress which utilizes Outlast technology. BedInABox is a Tennessee based manufacturer of memory foam mattresses which, except for a handful of stores, are available only online. BedInABox made its name by compressing memory foam mattresses enough to be put into a box and shipped by FedEx and UPS.

Serenity GEL has a 3" layer of CoolRest Gel, a key feature of all BedInABox mattresses. CoolRest is a gel-infused visco-elastic memory foam. It and the other foams used by Bed-In-A-Box use less fossil hydrocarbons (petroleum) than the foams of half a decade ago. Depending on the foam, they contain 5% to 20% BiOH polyols produced by Cargill. These polyols are made from soy oils. The actual foams are formulated and made in North Carolina by BASF.

The role of memory foam is to conform to the contours of the sleeper's body. It relieves pressure points, which can become painful. This material was originally developed to cushion astronauts on lift-off. It was later adapted for use by consumers, first in seats and pillows, then in mattresses. Memory foam also dampens the transfer of motion. This keeps one sleeper's movements from disturbing another sleeper.

Memory foam tends to accumulate heat, becoming too hot to sleep comfortably, so many manufacturers, including BedInABox, add gel to memory foam to conduct heat away from the sleeping surface and dissipate it. Additionally, modern methods of making memory foam generate a cell structure which promotes air flow, further cooling the mattress. Also, gel enables manufacturers to refine the support properties of memory foam to thier specifications.

Underlying the CoolRest Gel layer in the Serenity GEL mattress is the 8" support core of High Resiliency Support Foam. It is there to provide even support to the memory foam layer. This fosters correct spinal alignment while the memory foam cradles the sleeper. It also prolongs the life of the memory foam, keeping it from sagging.

Above the CoolRest Gel is the Outlast, which is 2" deep. Outlast was first developed for space suits to control temperatures for the astronauts. This space-age fabric uses phase change materials (PCMs), trade-named Thermocules, to keep temperatures within a desired range. When it is too hot PCMs liquify, absorbing the heat. When it is too cool they solidify, releasing heat. The selection of PCMs for a specified use determine not only the desired range, but also the extremes within which they will work.

To support the Serenity GEL mattress, Bed-In-A-Box sells a BIAB canvas-covered wood-slat foundation and metal bed frames. It also sells several models of platform beds as well as Leggett & Platt adjustable bases.

According to BedInABox, all their mattresses are extensively tested in the lab as to how they perform, how durable they are, and what they contain. They also have a 120 Day Zero-Risk Sleep Guarantee and carry a 20-Year Warranty.

  • Mattress and Bed Set Model Name

    BedInABox Serenity GEL

  • Price Category


  • Listed Manufacturer

    BedInABox (Bed-in-a-Box)

  • Location

    BedInABox, LLC, 220 East Millard, Johnson City, TN 37601, Contact us through our Customer Care page - http://www.bedinabox.com/customer- care.html

  • Bed Classification

    Memory foam

  • Level of Firmness


  • Inner Bed Composition

    8-inch HR support foam core and 3-inch gel memory foam comfort layer

  • Mattress Edge Support

    provided by the support core

  • Mattress Cover Composition

    Outlast fabric

  • Total Mattress Height

    13 inches

  • Bed Foundation

    Covered slats, platform or adjustable bed

  • Special Features

    Can be shipped via FedEx or UPS

  • Sleep Trial

    120 days

  • Bed Warranty

    20 year warranty

  • Manufactured In


  • Restrictions

  • Website


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