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Casper's Cloud One mattress on a bed frame with pillows and a blanket folded on top. Text on the image says "Consumer Reports. Rated and reviewed by Consumer Reports. *Consumer Reports does not endorse products or services."
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92% of customers keep their mattress.*
A person's hand pressed down to feel the Cloud One mattress. It is medium soft and feels responsive and lively.
A person lying on their side on the Cloud One mattress. Text at the top of the image describes this mattress. Breathable foams are open-cell foams to prevent overheating. Enjoy thicker layers of premium comfort foams for all-night coziness and a boost of softness. Casper Core+TM technology uses foam pillars in the core of the mattress to deliver a boost of plushness.
A graphic image labeling the layers of the Cloud One mattress. A breathable comfort layer helps you get cozy. Cradling memory foam keeps you aligned and asleep. Patent-pending technology creates pockets of relief to help you sleep deeper.
A couple sits together and smiles on their Cloud One mattress in a bedroom
Decade of durability, fiberglass-free, and designed and assembled in the USA.
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Casper

Cloud One

Premium Foam Mattress

Sale price $799
SAVE 20%
Comp. Value: Regular price $999
Casper's Cloud One mattress on a bed frame with pillows and a blanket folded on top. Text on the image says "Consumer Reports. Rated and reviewed by Consumer Reports. *Consumer Reports does not endorse products or services."
Blue icon of a ribbon with a star on a white background
92% of customers keep their mattress.*
A person's hand pressed down to feel the Cloud One mattress. It is medium soft and feels responsive and lively.
A person lying on their side on the Cloud One mattress. Text at the top of the image describes this mattress. Breathable foams are open-cell foams to prevent overheating. Enjoy thicker layers of premium comfort foams for all-night coziness and a boost of softness. Casper Core+TM technology uses foam pillars in the core of the mattress to deliver a boost of plushness.
A graphic image labeling the layers of the Cloud One mattress. A breathable comfort layer helps you get cozy. Cradling memory foam keeps you aligned and asleep. Patent-pending technology creates pockets of relief to help you sleep deeper.
A couple sits together and smiles on their Cloud One mattress in a bedroom
Decade of durability, fiberglass-free, and designed and assembled in the USA.
A video of a couple carrying their new Casper mattress in its box up the stairs to their bedroom, then lying in bed and smiling.
Cozy Cover

Cozy Cover

Breathable Foams

Breathable Foams

Casper Core+

Casper Core+

A foam mattress like no other.

Our most popular mattress just got an upgrade. Featuring all-new patent-pending Casper Core+™ technology, Cloud One delivers a boost of plushness while giving you all the support and breathability of The One.

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Size Guide

Which mattress size is right for you?

When picking your next mattress, it’s more than just personal preference—two key things to keep in mind are how much room you have and who’s sleeping in the bed.

King Dimensions 76"x80", California King Dimensions 72"x84"

Upgrading to a King mattress is a game-changer if you’re sharing space with kids or pets. And if you’re tall, the extra length of a California King could be just right.

Full Dimensions 53"x75", Queen Dimensions 60"x80"

A Full size mattress is ideal for young adults or those with a smaller bedroom, while a Queen is the top pick for couples or anyone who enjoys extra space to sprawl out.

Twin Dimensions 38"x75", Twin XL Dimensions 38"x80"

The Twin is the smallest option, ideal for single sleepers. While the Twin XL is a dorm favorite it can also create a Split King if you purchase two.

Which pillow size is right for you?

Standard vs King Pillow Sizing
Pillow sizes can vary, but standard pillows, also known as queen pillows, are typically suitable for all types of sleepers. If you prefer extra space or need to fill the width of a larger mattress, king-size pillows, which are about 30% larger, are a great choice.
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Our friendly Sleep Specialists are dedicated to helping you find the mattress of your dreams!

Free, no-contact delivery
100-night risk-free trial*
10-year limited warranty*
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Size
Sale price $799 Comp. Value: Regular price $999
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Reliable Rest, Night After Night

See what Consumer Reports rated Cloud One.*

Read the report

*Consumer Reports does not endorse products or service.

Let's take a look under the covers.

Cross-sections of the Cloud One mattress
Icon of air blowing

Breathe Flex Foam

Open-cell foam enhances airflow to prevent overheating.
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Align Memory Foam

Cradles the natural curve of your body to help you stay asleep.
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Casper Core+™

Featuring an all-new patent-pending design, cloud-like foam pillars in the core of the mattress deliver a boost of plushness.
If it's in a Casper mattress, it helps you sleep.

See the thoughtful engineering behind Cloud One.

A Casper mattress in the manufacturing facility with a rolling machine on top to guarantee support
A Casper mattress in the manufacturing facility with a rolling machine on top to guarantee support
Decade of durability.

Casper Core+™ Technology is engineered to support and soothe you night after night, and year after year.

Even your bed needs a bed.

Perfect your sleep setup with the the right bed frame.

Stop-motion video of the Adjustable Base Max's top and bottom being adjusted to various angles. Enjoy endless cozy configurations for reading, relaxing, sleeping, or any bedroom activity.
Stop-motion video of the Adjustable Base Max's top and bottom being adjusted to various angles. Enjoy endless cozy configurations for reading, relaxing, sleeping, or any bedroom activity.
Adjustable Bed Frames
The ultimate sleep setup, with control at your fingertips.

Casper has three levels of Adjustable Bed Frames designed to work with any Casper mattress. You can use them on their own, on a Casper slatted frame, or inside your existing frame (just be sure to measure). Every base includes head and foot lift plus Zero Gravity mode, while Pro and Max feature upgraded lumbar support and more. This setup is perfect for sleepers who want full customization and ultimate relaxation (warning: there’s no going back).

Build Your Own Mattress Bundle Shop Adjustable Bed Frames

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Cloud One

Cloud One

Sale price $799
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Comp. Value: Regular price $999
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The One

The One

Sale price $599
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Comp. Value: Regular price $749
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Mattress Firmness
Medium-Soft
Firm Soft
Medium-Firm
Firm Soft
Ergonomic Support
Continuous Support + Edge Support Continuous Support + Edge Support Expertly engineered layers of foam that provide consistent support edge-to-edge and long term durability.
Continuous Support Continuous Support Expertly engineered layers of foam that provide consistent support and long-term durability.
Cooling & Breathability
Breathe Flex Foam Breathe Flex Foam A responsive and breathable open cell foam soothes you to sleep.
Breathe Flex Foam Breathe Flex Foam A responsive and breathable open cell foam soothes you to sleep.
Mattress Construction
11" Foam Mattress
11" Foam Mattress
Mattress Layers
4 Layers
4 Layers

Product specifications

Dream-Worthy Reviews

Real feedback from customers who have experienced the Casper difference.

Overall rating: 4.3203125 / 5 from 128 reviews.

AI Generated Review Summary

Cloud One is a highly praised foam mattress known for its plushness, support, and ability to provide deep sleep. It features Casper Core+™ technology for enhanced comfort and breathability.

Summary topics

  • Sleep Quality: 27%
  • Firmness: 16%

Review topics: ["size","support","feel","firmness","husband","improvement","sheets","mattress","bed","back pain","sleep","set","price","casper","relief","legs","movement","difference","windows"].

Review highlights

  • "It is the perfect firmness with a little bit of soft to give a really supportive sleep." — tparker0121
  • "The correct mattress is very comfortable, regulates body temperature and was an easy transition and setup." — Bret C.
  • "Surprised by much better sleep" — 1Sleep

Reviews

I bought the first ever

"I bought the first ever Casper available and loved it. Then I bought the Cloud One 10 years later because the original was no longer available. This one is not as firm, and it doesn’t hold its shape like the original. I’m upset with myself for not having returned it within the 100 day risk free trial. I’ve only had this mattress for 6 months and it’s already showing signs of breaking down. I do not recommend this mattress for anyone who is looking for the quality of their original."

— Nicole M. (1/5)

This mattress is amazing!! I'm

"This mattress is amazing!! I'm glad I went with the "softer" option, because it's still quite firm and holds you really well. I was also concerned because some other reviews mentioned a lingering smell, but I didn't notice anything (and I have really sensitive smell). Definitely recommend this mattress!"

— Charli M. (5/5)

Unreal!

"I’m a doubting Debbie when I comes to going with a new mattress but I have to say……. What took me so long !!!! I have lower back issues and restless legs syndrome! So I don’t get good sleep ever… until I bought this mattress. My daughters recommended it to me and I finally bit the bullet. Thus has been a game changer!! I truthfully never expected this and I would never have thought I could sleep this well! I knew I could return it if I didn’t like it otherwise I would not have tried it but it isn’t going anywhere without me !! No more back ache and legs are quiet !! I can’t thank you enough!!!"

— Vickie C. (5/5)

Thanks Jandelle for your help

"Thanks Jandelle for your help in picking the right mattress! I’ll be replacing another mattress soon and be sure to buy it from you!"

— Josephine G. (5/5)

Super happy with our new

"Super happy with our new California King Cloud One mattress!"

— Heidi c. (5/5)

The Cloud One Mattress &

"The Cloud One Mattress & the Casper bed frame I ordered are very comfortable. I couldn’t be happier."

— Melanie B. (5/5)

Its not as soft as

"Its not as soft as i thought it would be"

— Rachel T. (1/5)

I really like it. It

"I really like it. It did not require any getting used to. And it’s not too thick so my sheets fit easily."

— Gary G. (5/5)

Great bed! It's firm, but

"Great bed! It's firm, but that is what we like about the mattress."

— Renee T. (5/5)

This bed is great.

"This bed is great."

— Natalie G. (5/5)

Q&A

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Frequently asked questions

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Find a Casper store near you

Feel the difference in person. Try products for yourself and chat with a Sleep Specialist at a store near you.

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Connect with a Sleep Specialist

Our Sleep Specialists are dedicated to helping you find the mattress of your dreams. Give us a call or chat with us now.

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