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Casper The One Medium All Foam Full Size Mattress

MODEL:

CASPRONE-F

MPN:

950000151003
4.9 out of 5 Customer Rating
Casper The One Medium All Foam Full Size Mattress is rated 4.6 out of 5 by 882.
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View all Casper Full Mattresses
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires Casper The One Medium All Foam Full Size Mattress, , hires
90 Night Sleep Guarantee
90 Night Sleep Guarantee
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Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires Casper The One Medium All Foam Full Size Mattress, , hires
Click on image to Zoom
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires Casper The One Medium All Foam Full Size Mattress, , hires
Click on image to Zoom
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires Casper The One Medium All Foam Full Size Mattress, , hires
Click on image to Zoom
Casper The One Medium All Foam Full Size Mattress, , hires
Casper The One Medium All Foam Full Size Mattress, , hires Casper The One Medium All Foam Full Size Mattress, , hires
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Key Features

  • Type: All Foam
  • Size: Full
  • Comfort Level: Medium
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90 Night Sleep Guarantee If you are dissatisfied with the comfort of your mattress, you can exchange or change it. Learn More! If you are dissatisfied with the comfort of your mattress, you can exchange or change it. Learn More!

90 Night Sleep Guarantee If you are dissatisfied with the comfort of your mattress, you can exchange or change it. Learn More! If you are dissatisfied with the comfort of your mattress, you can exchange or change it. Learn More!

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About this Item

Casper The One Foam Mattress

Meet Casper's The One Foam Mattress: a top-rated all-foam mattress engineered for balanced comfort and pressure relief with a medium-firm feel that appeals to back, side, and combination sleepers alike --- perfect for home, guest rooms, and everyday restful sleep.
Casper One mattress on white platform bed frame with striped bedding and green round pillow, bedroom setting with beige carpet, green nightstand, black lamp, and framed artwork on wall. Hand pressing into Casper One mattress surface showing quilted white cover with textured dot pattern, demonstrating mattress comfort and responsiveness with hand sinking slightly into foam.
Cooling Breathable Foam

Open-cell foams increases airflow and improves heat dissipation for a cooler night's sleep --- ideal for warm sleepers.

Pressure-Relieving Support

Align Memory Foam layer cradles shoulders and hips to ease pressure points and reduce tossing and turning.

Durable Support Core

High-density core foam offers long-lasting structural support with minimal sagging.

Soft, Breathable Knit Cover

A premium knit cover enhances comfort and breathability while adding a clean, modern look to your bedroom.

Key Mattress Features:
  • Three layers of responsive foam for balanced comfort and support.
  • Medium-firm feel that suits a wide range of sleepers.
  • Breathable foam designed to reduce heat buildup while sleeping.
  • Soft, breathable knit cover for added comfort and durability.
Who's This Mattress Best For?

Casper The One Foam Mattress is perfect for sleepers seeking an affordable memory-foam mattress with balanced medium-firm comfort, cooling breathability, and pressure relief --- providing night-after-night restful sleep for back, side, and combination sleepers.

Product Height
12 Inches
Product Width
54 Inches
Product Depth
75 Inches
Product Weight (lbs.)
63 Lb(s)
Collection
The One
Series
Not Applicable
Type
All Foam
Size
Full
Coil Type
Coil Type Not Available
Coil Count
-
Comfort Level
Medium
Comfort Number
3
Construction
Tight Top
Edge Support
Yes
Cooling Technology
No
Hypoallergenic
Yes
Removable Cover
Yes
Adjustable Base Compatible
Yes
Additional Features
As comfortable as it is affordable. Our all-in-one solution for better sleep. Signature all foam mattress designed with a responsive yet supportive medium-firm feel is perfect for any sleep style.
Motion Isolation
-
Warranty Terms - Parts
120 Month(s)
Warranty Terms - Labor
120 Month(s)
Rated 5 out of 5 by from Perfect night’s sleep Perfect night’s sleep
Date published: 2026-03-05
Rated 5 out of 5 by from Very nice especially if you Very nice especially if you like a little firmer mattress. Thanks
Date published: 2026-02-27
Rated 5 out of 5 by from Believe the great ratings! We bought "The One" Casper mattress after checking the Consumer Reports review and we're very pleased with our purchase. It arrived quickly, was easy to set up and provides comfortable, even support for 2 adults.
Date published: 2026-02-27
Rated 5 out of 5 by from My wife and I are My wife and I are very pleased with the Casper The One Mattress. Consumer Reports nailed this one. The mattress is extremely comfortable. It's slightly softer than our previous mattress but this seems to be a good thing. We awake welt rested and with no soreness (hips, shoulders). Truly the sleep-friendly ghost!
Date published: 2026-02-25
Rated 5 out of 5 by from I sleep like a rock I sleep like a rock on this mattress. It's a game changer.
Date published: 2026-02-25
Rated 5 out of 5 by from Love this mattress, it’s perfect. Love this mattress, it’s perfect.
Date published: 2026-02-22
Rated 5 out of 5 by from We really love the mattress We really love the mattress , back to a good night sleep.
Date published: 2026-02-22
Rated 5 out of 5 by from Perfect Perfect
Date published: 2026-02-21
Rated 5 out of 5 by from I had purchased a Casper I had purchased a Casper mattress before and needed another one, just as perfect as the first.
Date published: 2026-02-20
Rated 5 out of 5 by from The new mattress is so The new mattress is so much better than our old one. Thank you so much. We really appreciate it.
Date published: 2026-02-19
Rated 5 out of 5 by from Love Love
Date published: 2026-02-16
Rated 5 out of 5 by from Great choice. I bought this Great choice. I bought this bed for my daughter and her husband and they love it!
Date published: 2026-02-14
Rated 5 out of 5 by from I like the mattress but I like the mattress but I have not been able to use it because of the chemical smell it has when I unpacked it. I would not therefore recommend it to anyone else. I tried to sleep on it at first but woke up with a bad headache. Advise.
Date published: 2026-02-11
Rated 5 out of 5 by from A great investment 👌 A great investment 👌
Date published: 2026-02-08
Rated 5 out of 5 by from So far so good. So far so good.
Date published: 2026-02-08
Rated 5 out of 5 by from Replaced a damaged one Replaced a damaged one
Date published: 2026-02-06
Rated 5 out of 5 by from So far so good So far so good
Date published: 2026-02-06
Rated 5 out of 5 by from Very comfortable, right firmness and Very comfortable, right firmness and no more waking up with back pain. Would recommend this mattress to anyone who is tired of waking up with aches and pains.
Date published: 2026-02-04
Rated 5 out of 5 by from My husband and I both My husband and I both sleep so well on our Casper The One. We are both side sleepers with a tendency towards apnea, but we sleep better on this mattress.
Date published: 2026-02-03
Rated 5 out of 5 by from My son loves it! My son loves it!
Date published: 2026-02-02
Rated 5 out of 5 by from One of the most comfortable One of the most comfortable mattresses I have ever slept on. I have been sleeping so shouldn't on it.
Date published: 2026-02-02
Rated 5 out of 5 by from I slept great from the I slept great from the first night!
Date published: 2026-02-01
Rated 5 out of 5 by from Very comfortable. We've been sleeping Very comfortable. We've been sleeping much better since buying it. No complaints!
Date published: 2026-01-27
Rated 5 out of 5 by from I love my new mattress. I love my new mattress. I had hip pain with my prior mattress and had to shift position often. My hips do not hurt with this mattress. I highly recommend it.
Date published: 2026-01-26
Rated 5 out of 5 by from We’ve gone through 3 different We’ve gone through 3 different mattresses this past 2 yrs and FINALLY found “The One”. My husband and I have chronic back pain and we live it
Date published: 2026-01-26
Rated 5 out of 5 by from I love my my bed. I love my my bed.
Date published: 2026-01-24
Rated 5 out of 5 by from Love Casper mattresses. We have Love Casper mattresses. We have purchased 7 in the last five years to replace all of our mattresses.
Date published: 2026-01-23
Rated 5 out of 5 by from Love our mattress. Replaced our Love our mattress. Replaced our last (old) Casper with this new one. It’s very comfortable and the purchase process was very simple.
Date published: 2026-01-21
Rated 5 out of 5 by from So far so good. The So far so good. The bed has been comfortable after about 3 weeks of use. It’s been just right. I’m still adjusting to upholstered bed frame as it sits lower than others.
Date published: 2026-01-14
Rated 5 out of 5 by from We love our Casper mattress. We love our Casper mattress. We are sleeping better with less hip pain (side sleepers).
Date published: 2026-01-13
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