120-night trial
4 months to let your body adjust to a new surface
Edge Grand Mattress
The Edge Grand is our finest mattress, and the most considered expression of everything we know about comfort. Its 14" build pairs a dense, stabilizing foundation with a removable 3.5" dual memory foam comfort layer, finished in a tailored gray knit sleeve and wrapped in a temperature-regulating phase-change cover.
When the years ask for something new, the comfort layer lifts out and a fresh one takes its place. The foundation stays. The feeling of the first night returns.
- 14" luxury modular mattress, our most premium build
- 3.5" dual memory foam Replacement Comfort Layer in a tailored gray knit sleeve, available in Plush or Medium-Firm
- 10.5" durable support foundation, available in TrueBase Foam or FormFlex Hybrid
- Cooling phase-change cover that helps regulate your temperature; removable and machine-washable
$1,295
$1,195
As a leading USA-based brand, we stand behind everything we make 100% and are committed to providing you with premium products for improving your quality of life. That's why we invite you to sleep on your mattress for 120 nights (or days) in the comfort of your own home. If you're not completely satisfied, you can return it for a full refund.
All Viscosoft purchases receive fast and free shipping, coast to coast. Delivery times vary based on the product ordered. Most products are delivered within 3 business days because we want to get you sleeping better as soon as possible.
We believe in the quality and durability of our products, which is why we provide a 10-year warranty on all ViscoSoft mattresses. To view the full warranty and register your purchase, please click here.
VISCOSOFT GETS AROUND
Sometimes, shopping for a mattress feels like stepping off a cliff
The problem isn't finding a mattress you life. The problem is finding one at a reasonable pice that will stay comfortable.
Until now.
Edge Grand Modular Mattress
Introducing
Easy to remove. Simple to replace.
Comfort that lasts a lifetime.
Edge Keeps It Simple
This is how it works
Everyone knows it's the top of the mattress that loses its comfort and support long before the rest of the mattress wears out. Our modular design solves that problem.
Simply unzip the cover, remove the top comfort layer, and replace it with a new one whenever you want.
A commonsense solution that is long overdue
THIS IS NO ORDINARY MATTRESS
Most mattresses are still sewn shut the way they were in the 1800s. When its comfort fades, and it always fades first at the top, the only answer has been to replace the whole thing.
We've spent years making toppers, so we've seen that pattern up close. The Edge Grand is our answer, built at the level of our very best: a foundation made to endure, beneath a comfort layer designed to be renewed.
Two Comfort Layers. Two Foundations.
Four Ways to Sleep, Each Finished to the Grand Standard.
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Medium-Firm + TrueBase Foam Core
![A woman sleeping on a black mattress that is showing the internal construction consisting of a medium-firm comfort layer with an all-foam foundation]()
![A woman sleeping on a black mattress that is showing the internal construction consisting of a medium-firm comfort layer with an all-foam foundation]()
This is the comfort combination that started the entire memory foam mattress movement. At first, no one could believe that such a “cold, hard, slab” could melt into the greatest sleep anyone had ever imagined. But it did then, and it still does today. The perfect choice for those who want to melt into their mattress and stay that way all night long.
BEST FOR BACK + STOMACH SLEEPERS • STEADY SUPPORT • MOTION ISOLATION
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Plush + TrueBase Foam Core
![A woman sleeping on a black mattress that is showing the internal construction consisting of a plush comfort layer with an all-foam foundation]()
![A woman sleeping on a black mattress that is showing the internal construction consisting of a plush comfort layer with an all-foam foundation]()
A mattress does not need to feel hard to provide firm support. And our Plush on TrueBase Foam combination proves it because it delivers a softer, more conforming comfort layer without sacrificing the firm support of our TrueBase core. The right choice for those who like firm support, but want an easier time rolling over during the night.
BEST FOR SIDE SLEEPERS • PRESSURE RELIEF • HIP/SHOULDER COMFORT
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Medium-Firm + FormFlex Hybrid Core
![A woman sleeping on a black mattress that is showing the internal construction consisting of a medium-firm comfort layer with a hybrid foundation]()
![A woman sleeping on a black mattress that is showing the internal construction consisting of a medium-firm comfort layer with a hybrid foundation]()
Our most balanced combination. Hybrid cores provide a level of responsive conformability that is hard to match. This bed’s Medium-Firm comfort layer provides stability and support for proper spinal alignment, while the FormFlex Hybrid base gives way and conforms to your body’s profile. A medium feel that suits nearly everyone.
BEST FOR COMBO SLEEPERS • COUPLES • BALANCED SUPPORT
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Plush + FormFlex Hybrid Core
![A woman sleeping on a black mattress that is showing the internal construction consisting of a plush comfort layer with a hybrid foundation]()
![A woman sleeping on a black mattress that is showing the internal construction consisting of a plush comfort layer with a hybrid foundation]()
This is the single most responsive and adaptive comfort combination available. Our Plush comfort layer conforms and cradles while our Form-Flex Hybrid core delivers the support you need. Perfect for those who want a softer place to lay their head and body.
BEST FOR SIDE SLEEPERS • LIGHTER FRAMES • A SOFTER, BUOYANT FEEL
the mattress built to last a lifetime
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What it is A removable, machine washable, moisture-wicking knit fabric cover that feels soft against your skin.
What it does Pulls heat and moisture away so you fall asleep faster and stay cool longer.
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What it is A removable, 3.5" replicable comfort layer constructed of dual memory foams encased in a gray knit sleeve. Available in Plush and Medium-Firm.
What it does This creates your primary comfort feel and can be replaced later without replacing your whole mattress.
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What it is The top material of the cover for the foundation of the Edge Grand mattress.
What it does Helps prevent any shifting to keep the Replacement Comfort Layer locked in place.
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What it is A 3.5" firmer convoluted foam layer between the comfort layers and the core.
What it does Stops you from sinking too far in, so you don't feel stuck in the mattress.
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What it is A 2.5" firm foam layer between the comfort layers and the core.
What it does Stops you from sinking too far in, so you don't feel stuck in the mattress.
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What it is A stronge core foundation made of substantial premium, durable memory foam.
What it does Provides smooth, steady support with superior motion isolation.
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What it is Foundation with a hybrid construction of individually pocketed coils with a foam reinforcement.
What it does Adds airflow, response and a slightly more plush feel, while foam reinforcement helps create strong, stable edges.
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What it is A durable quilted outer cover for the foundation portion of the mattress.
What it does Keeps the support core locked in tight with a strong durability to prevent any rips or tears.
The one part of your mattress that's not supposed to change
A Strong Foundation
Beneath the comfort layer, a stabilizing transition zone and a dense support core keep the Edge Grand aligned night after night. Where mass-market foam softens unevenly with time, the Grand is engineered to hold its lift and shape long after the new-mattress phase.
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Support that reaches every edge
![A woman lounging on the edge of a mattress, demonstrating that the mattress has superior edge support]()
![A woman lounging on the edge of a mattress, demonstrating that the mattress has superior edge support]()
Reinforced perimeter construction keeps the edge as composed as the center. More usable surface, less roll-off, and steady support when you sit on the side of the bed.
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Comfortable at every temperature
![A woman lounging and leaning back on her elbows on a mattress. Ever point where her body touches the mattress, shows a cooling overlay effect, visualizing the cool, breathability of the mattress.]()
![A woman lounging and leaning back on her elbows on a mattress. Ever point where her body touches the mattress, shows a cooling overlay effect, visualizing the cool, breathability of the mattress.]()
The Grand's phase-change cover works with your body, absorbing excess heat when you run warm and releasing it as you cool. Beneath it, gel-infused memory foam helps draw warmth away, so you stay comfortable from the first hour to the last.
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Luxury, without the upkeep
![A woman unzipping a removable, machine washable mattress cover]()
![A woman unzipping a removable, machine washable mattress cover]()
The Grand cover unzips fully and is machine-washable, and it holds the sleeved comfort layer securely in place. A mattress you can actually keep fresh.
120 nights to decide. 10 years to feel confident.
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A lifetime to enjoy.
Why not just add a topper to my mattress?
The unasked question
A quality topper can do a lot for an ordinary mattress. We should know; it's what we're known for. But a topper and the Edge Grand solve different moments.
By the time most people reach for a topper, their mattress has already begun to sag, so the topper's first job is filling in what's been lost. And it rests on a top layer that was designed for comfort, not deep support.
Renewing the Grand starts somewhere else entirely: a brand-new comfort layer, resting directly on a foundation built to support you for the long run. That's why it feels the way it did on the first night. Because it is.
A Smarter, More Sustainable Way to Sleep
COMFORT WITH A CONSCIOUS
Every discarded mattress takes up space in a landfill. The Edge Grand changes the equation: you renew only the comfort layer that needs renewing, and the foundation stays in your home, not in a landfill.
