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comparison

Beautyrest Black Hybrid vs BedInABox Tranquillium

Easily compare the BedInABox Tranquillium vs Beautyrest Black Hybrid Mattresses side-by-side.

Latest Promotions
Spring Savings Event | Save up to $800 off select Beautyrest Black® mattresses with the purchase of an adjustable base. Plus, purchase any Beautyrest Black® mattress and save 50% on any 2 pillows. Add eligible items to cart and use code PILLOW50 at checkout. Through 4/17
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Spring Savings Event | Bundle & Save Purchase any Beautyrest Black or Harmony mattress and save 50% on any 2 pillows. Add eligible items to cart and use code PILLOW50 at checkout. Through 4/17
See offer
Spring Sale 25% off mattresses* 25% off bundles. Plus, free pillows with select orders. *Excludes the Essential mattress.
See offer

Essential Mattress Info

Brand
BeautyrestBedInABox
Mattress Type
Hybrid (coils and foam)Memory foam
Prices
Video

Trial & Warranty

Trial Period
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Trial Period (nights)
100120
Warranty Length (years)
1020

Firmness Options

One Firmness Fits All?
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Adjustable Firmness
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Half-Half Firmness
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Selectable Firmness
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Flippable / Reversible Firmness
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Firmness Info

The Beautyrest Black Hybrid is a medium firmness. Suited for all sleeping positions and body types. Two comfort upgrades are available for a plush or ultra plush feel.

A firmer and supportive feel.

Mattress Construction

Materials Overview

The Beautyrest Black® Hybrid line is the perfect blend of hybrid comfort and the epitome of an indulgent sleep experience. The Beautyrest Black Hybrid (X-Class Medium) is a four layer design:

  • 1" RightTemp™ Memory Foam
  • 2" Beautyrest® Gel Memory Foam
  • 1" Firm Comfort Foam
  • T3 Pocketed Coil® Technology with BeautyEdge®.
Tip: there are many models under the Beautyrest Hybrid name so be careful when comparing instore with online that the codes are the same! Mattresses purchased online come with a 100-night in-home trial and free White Glove delivery: delivery, setup, and removal of your old mattress.

A 3-layer construction:

  • 3" 3lb Density CoolRest® Memory Foam Infused with Liquid Gel
  • 2" Pluralux Foam
  • 7" 2lb Density Sure Align Support Foam
  • Smooth Knit Cover.

Comfort Info

A mattress type that offers the flexible support of Pocketed coil® technology with the consistent comfort of foam. This allows you to find your ideal sleep position, so you stay asleep longer and wake up feeling your best.

3 lb density memory foam rebounds (takes it shape) quicker making it easier to change positions.
The TENCEL® cover is a performance fabric like no other, absorbing moisture completely and naturally, creating a cooler and more comfortable sleep. With more breathability than cotton, and a softer hand than silk, TENCEL® can be found anywhere from athletic wear to luxurious bedding. Nothing is dreamier than going to sleep on a bed made with TENCEL® fibers.

Support Info

Featuring our ContourFit™ Design, this hybrid bed is designed to help you find your optimal sleeping position, so you can relax and recharge while you get your best sleep.
BeautyEdge® for reliable edge support.

Our CoolRest™ gel advanced memory foam quickly conforms to your body for pressure relief and support without letting you sink too far into the mattress.

Comfort Specs

You'll stay cool through the night with our BlackICE™ Hybrid Technology that features a cool-to-the-touch cover designed to create a cooling sensation at the surface with cooling materials just underneath to further enhance heat dissipation. Additionally, experience our high density RightTemp™ Memory Foam that not only works to pull heat away from your body, but also cradles pressure points for ultimate comfort.

Open cell memory foam increases air flow, contributing to a cooler sleep.
Sure Align foam works in tandem with CoolRest® Gel memory foam and provides perfect support for long lasting comfort.

Support Specs

The exclusive ContourFit™ design adapts with you, allowing you to engage more closely with the pressure relieving memory foams. The Black Hybrid delivers unparalleled pressure point relief in your hips and shoulders with more, higher quality memory foams than any of our other hybrid mattresses and the innovative T3 Pocketed Coil® technology system features three steel strands wound into one coil to absorb energy, reduce motion transfer, and provide exceptional resilience for support, durability, and undisturbed sleep.

CoolRest® Gel memory foam perfectly contours to your body providing improved pressure relief to reduce tossing & turning.
Sure Align foam designed to support & correctly align your spine so you can sleep better.

Fabric Specs

BlackICE™ Hybrid Technology maintains temperature with an immediate cooling sensation of the cool-to-the-touch cover.

The TENCEL® cover offers unique moisture management properties - absorbs 50% more moisture than cotton, making it a highly effective performance fabric. Rapid absorption of moisture proves most effective in inhibiting bacterial growth naturally, without adding any chemicals.

Manufactured in
United StatesUnited States

Suitability

Side Sleepers
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Back Sleepers
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Size & Weight

Twin
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Twin Dimensions
Icon times75 x 38 x 12 "
Twin Weight (lb)
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Twin XL
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Twin XL Dimensions
79.5 x 39 x 13.5 "80 x 38 x 12 "
Twin XL Weight (lb)
5962
Full
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Full Dimensions
74.5 x 54 x 13.5 "75 x 54 x 12 "
Full Weight (lb)
7576
Queen
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Queen Dimensions
79.5 x 60 x 13.5 "80 x 60 x 12 "
Queen Weight (lb)
9890
King
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King Dimensions
79.5 x 76 x 13.5 "80 x 76 x 12 "
King Weight (lb)
150113
Cal King
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Cal King Dimensions
83.5 x 72 x 13.5 "84 x 72 x 12 "
Cal King Weight (lb)
155113

Certifications & Sustainability

Certifications
CertiPur-US®
CertiPur-US®
CertiPur-US®
Other Certification Info

Delivery

Delivery Cost
FREEFREE
Delivery Info

Conveniently delivered using our complimentary White Glove Delivery experience. After checkout, you'll be contacted by our shipping partner to select a delivery day that works best for your schedule. The day of your delivery, you'll get a call confirming your delivery window. Upon delivery, they will set up your new mattress and remove your old mattress and any packaging for that mattress.

Typically, orders are shipped within two business days of receipt from our warehouse in Johnson City, TN via FedEx Ground. Delivery is usually 1-5 days depending on where you live.

Prices
Latest Promotions
Spring Savings Event | Save up to $800 off select Beautyrest Black® mattresses with the purchase of an adjustable base. Plus, purchase any Beautyrest Black® mattress and save 50% on any 2 pillows. Add eligible items to cart and use code PILLOW50 at checkout. Through 4/17
See offer
Spring Savings Event | Bundle & Save Purchase any Beautyrest Black or Harmony mattress and save 50% on any 2 pillows. Add eligible items to cart and use code PILLOW50 at checkout. Through 4/17
See offer
Spring Sale 25% off mattresses* 25% off bundles. Plus, free pillows with select orders. *Excludes the Essential mattress.
See offer