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BedInABox Tranquillium vs Casper Original Hybrid

Easily compare the Casper Original Hybrid vs BedInABox Tranquillium Mattresses side-by-side.

Latest Promotions
Spring Sale 25% off mattresses* 25% off bundles. Plus, free pillows with select orders. *Excludes the Essential mattress.
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Get 20% off mattresses at the NEW Casper ! Ends 3/27.
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Essential Mattress Info

Brand
BedInABoxCasper (USA)
Mattress Type
Memory foamHybrid (coils and foam)
Prices
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Trial & Warranty

Trial Period
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Trial Period (nights)
120100
Warranty Length (years)
2010

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

A firmer and supportive feel.

The best way to feel the Casper Original Hybrid is to take advantage of our 100-night, risk-free trial. If you're looking for a mattress that can sustain more weight, or you want to be lifted more than cradled, then our hybrids are a great choice.

Mattress Construction

Materials Overview

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.

Our signature design, now with springs for added support. Made with two layers of premium foam, plus foam-encased springs:

  • Breathable Polyurethane Foam
  • Zoned Memory Foam
  • Durable Base of Polyurethane Foam with Encased Springs.

Comfort Info

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.

A layer of Airscape™ perforated breathable foam increases airflow and circulates air so you don't get too hot at night.
Resilient springs add a little lift, support, and airflow to the mattress of your dreams.

Support Info

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.

Premium foam conforms to your body to relieve pressure.
Zoned Support™ provides a layer of memory foam with 3 ergonomic zones to help align your spine and provide more relief.
A firmer border provides edge support to help you get in and out of bed easily.

Comfort Specs

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.

Stay cool all night with the innovative cooling system. AirScape™:

  • A top layer of perforated breathable foam helps reduce heat.
  • Tiny holes move hot air and body heat away.

Support Specs

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.

Get all-night comfort with the innovative support system. Zoned Support™:

  • 3 zones of targeted support for proper spinal alignment.
  • Softer foam around the shoulders provides more relief to the upper body.
  • Firmer foam under the hips, waist, and lower back helps align your spine.

Fabric Specs

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.

Planet-friendly textiles. Up to 57 recycled bottles in each cover.

Manufactured in
United StatesUndisclosed

Suitability

Side Sleepers
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Back Sleepers
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Size & Weight

Twin
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Twin Dimensions
75 x 38 x 12 "75 x 39 x 11 "
Twin Weight (lb)
5353
Twin XL
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Twin XL Dimensions
80 x 38 x 12 "80 x 39 x 11 "
Twin XL Weight (lb)
6257
Full
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Full Dimensions
75 x 54 x 12 "75 x 54 x 11 "
Full Weight (lb)
7676
Queen
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Queen Dimensions
80 x 60 x 12 "80 x 60 x 11 "
Queen Weight (lb)
9091
King
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King Dimensions
80 x 76 x 12 "80 x 76 x 11 "
King Weight (lb)
113112
Cal King
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Cal King Dimensions
84 x 72 x 12 "84 x 72 x 11 "
Cal King Weight (lb)
113114

Certifications & Sustainability

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

Delivery

Delivery Cost
FREEFREE
Delivery Info

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.

Your order will typically arrive in 2-5 business days. We ship via UPS Standard from warehouse partners.

Prices
Latest Promotions
Spring Sale 25% off mattresses* 25% off bundles. Plus, free pillows with select orders. *Excludes the Essential mattress.
See offer
Get 20% off mattresses at the NEW Casper ! Ends 3/27.
See New Mattresses