Casper
Casper Cloud One Mattress
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The softer Casper — the same zoned support, plusher feel
The Casper Cloud One is the medium-soft take on Casper's all-foam idea: eleven inches, the same open-cell Breathe Flex Foam and Align memory foam as the One, over an enhanced Casper Core+ base — tuned to feel softer and more cushioned on top while keeping the zoned support that holds your spine in line.
Softer, but not unsupported
"Medium-soft" can mean "no support" on a lesser bed. Not here: the Cloud One keeps Casper's zoned construction — softer under the shoulders, firmer under the hips — so the plusher surface still puts your spine where it belongs. It's the version for side sleepers, and for anyone who finds a true medium a touch firm and wants more give without falling into a hole.
Cool, quiet, cushioned
The Breathe Flex top is open-cell for airflow, so the extra cushion doesn't cost you cooling, and all-foam construction keeps a partner's movement on their own side of the bed.
Cloud One or One?
If you want a balanced, do-everything medium, the Casper One is firmer and more universal. If you want coils and bounce, the Casper Dream is the hybrid. The Cloud One is the plush all-foam pick of the Casper lineup.
Ten minutes beats ten reviews
Soft is personal — the only way to know medium-soft is your number is to lie on it next to the medium. Both are on our floors for that side-by-side, the 100-night trial holds buying from a local dealer, delivery is free and usually next business day in stock, and the old mattress leaves with us.
What makes this mattress different
Medium-Soft, Zoned
A plusher, more cushioned surface than the One, with Casper's zoned support kept intact underneath.
Breathe Flex Foam
An open-cell top layer for airflow, so the extra cushion doesn't sleep hot.
Align Memory Foam
A pressure-relief layer that contours to the shoulders and hips.
Casper Core+ Base
An enhanced support core that gives the softer surface a dependable floor.
All-Foam Motion Isolation
All-foam construction keeps a partner's movement from crossing the bed.
100-Night Home Trial
Sleep on it for 100 nights, with the trial holding at full length when you buy from us.
10-Year Warranty
Casper's 10-year limited warranty against manufacturing defects, honored on every bed we sell.
Plush zoned all-foam, layer by layer
The Cloud One is the softer side of Casper's all-foam build:
- Breathe Flex Foam (zoned). The same open-cell, zoned top as the One — tuned here for a softer first feel.
- Align memory foam. Contours for pressure relief at the shoulders and hips.
- Casper Core+ base. An enhanced support core that keeps the plush surface from feeling floorless.
Eleven inches, medium-soft, backed by the 100-night trial and Casper's 10-year warranty.
The plush, zoned all-foam pick
Side sleepers — the headline fit: a softer surface lets the shoulder and hip sink in, while zoned support keeps the spine straight.
Softer-feel seekers — if a true medium feels a touch firm, this is the more cushioned version of the same idea.
Lighter-weight sleepers — softer beds suit lighter bodies, who settle in without bottoming out.
Couples — all-foam keeps motion isolated.
Back sleepers who want softer — supported by the zoned core, but plusher than the One.
Heavier sleepers — you may prefer the firmer One or the coil support of the Dream.
Specifications
| Height | 11" |
|---|---|
| Feel | Medium-Soft |
| Firmness | Medium-Soft |
| Construction | Breathe Flex Foam + Align Memory Foam + Casper Core+ support core |
| Cooling | Breathable open-cell foams help move air through the comfort layers. |
| Motion isolation | Very good - all-foam layers help absorb partner movement while keeping a responsive feel |
| Adjustable base | Yes, compatible with firm platform, foundation, and adjustable bed frames |
| Certifications | Fiberglass-free; designed and assembled in the USA |
| Warranty | 10-year limited warranty |
| Trial period | 100 days at Mattress Overstock |
Frequently asked questions
How soft is the Casper Cloud One?
Medium-soft — plusher and more cushioned than the medium One, while keeping the zoned support underneath.
Cloud One or One?
The One is a true medium and the more universal pick; the Cloud One is the medium-soft, plusher version. Side sleepers and softer-feel sleepers usually prefer the Cloud One.
Is a soft bed still supportive?
Yes — the Cloud One keeps Casper's zoned construction and an enhanced Casper Core+ base, so your spine stays supported even as the surface cushions. Worth feeling if soft beds have left your back sore before.
Does it sleep hot?
The open-cell Breathe Flex top is built to breathe, so the extra cushion doesn't trap heat the way old memory foam did. For dedicated cooling, see the Snow line.
How tall is it — will my sheets fit?
Eleven inches. Standard fitted sheets fit fine.
Do I need a special foundation?
No — platform, slatted base (~3″ gaps or less), solid foundation, or adjustable base all work.
What's the warranty?
Casper's 10-year limited warranty against manufacturing defects, honored buying from us as an authorized dealer.
All-foam Cloud One or the Dream hybrid?
The Cloud One is plush all foam — quiet and contouring. The Dream adds coils for bounce, airflow, and a firmer edge. Feel both to see which base you prefer.
Can I see it near me?
Yes — on the floor across our five Kentucky showrooms (Lexington on Nicholasville Road, Georgetown, Somerset, London, Richmond), next to the medium One for a side-by-side. Free local delivery, old mattress hauled away.
Buy it from people you can actually visit
- Free local delivery To your home across Central & Eastern Kentucky.
- Free setup We place and set up your new bed in the room.
- Free old-mattress haul-away The old one goes out the same day the new one comes in.
Independently owned in Kentucky since 2012. Walk in any day — no appointment — and someone who actually knows the floor will help you find the right fit.
Still deciding?
Try it in person at any Kentucky showroom
Walk into any Mattress Overstock location, lie down, and feel the difference yourself. No appointment, no pressure. Our team has over 100 years of combined mattress experience and we're here to help you find the right fit.
