Casper Sleep Essential King 3" Mattress Topper
$250.00
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Guests are saying
This mattress topper offers a blend of comfort and support, making it a great choice for side sleepers and those seeking a softer sleeping surface. Guests appreciate its lightweight design and easy setup, along with the washable cover that enhances convenience. However, some have noted issues with support for back sleepers and the topper's tendency to shift on the mattress. Overall, it transforms the sleeping experience, providing a cozy and luxurious feel.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
3.9 out of 5 stars with 31 reviews
4 out of 5 stars
11 September, 2026
originally posted on casper.com
I may be a little
I may be a little too big to get a good idea. . . of how my back truly feels. . . but It makes a good night feel good
1 out of 5 stars
9 September, 2026
originally posted on casper.com
it doesn't feel great and
it doesn't feel great and the bedsheets doesn't fit anymore. doesn't seem to be a goos product
1 out of 5 stars
3 September, 2026
originally posted on casper.com
Comfort
Unfortunately too soft.
5 out of 5 stars
21 August, 2026
originally posted on casper.com
Very nice!
Very nice!
5 out of 5 stars
11 August, 2026
originally posted on casper.com
Great for college
Great for college
5 out of 5 stars
27 July, 2026
originally posted on casper.com
Regret not getting it’s sooner!
Regret not getting it’s sooner! Life and sleep and hip joint changer!!!!
1 out of 5 stars
1 July, 2026
originally posted on casper.com
Toxic Polyurethane smells so bad
Toxic Polyurethane smells so bad that it has been on my porch since I received it. It is absolutely unusable. Worst purchase ever!
3 out of 5 stars
5 June, 2026
originally posted on casper.com
The mattress topper thickness was
The mattress topper thickness was as advertised, but I don't think I realized this would just be foam with a cloth cover. The price for the product value does not match. The topper is not very supportive, there is a lot of sinking, and it retains a lot of heat.
3 out of 5 stars
2 June, 2026
originally posted on casper.com
Soft but Moves Around Alot :(
[This review was collected as part of a promotion.] For Reference: I’m around 50kg and I sleep alot on my sides but sometimes I sleep on my back. I also have Scoliosis on my back that would ache if I sleep on a mattress that’s too soft or too firm. The product came with the foam and the casing/cover separately. My first impression is that the material is soft and comfortable but I have to say that it’s quite challenging to put it together even when you have help from another person. I can only imagine how it must’ve been harder if you decide to set it up alone. It’s not something impossible to do by yourself but it definitely needs some patience to put the unroll the foam and put it inside the cover/casing. But, the fact that the cover is separate from the foam means that it would be easier to clean since you can just throw it inside the washing machine and not worry about how to clean it if it gets dirty. The next thing I notice when setting it up is that the topper doesn’t have any straps to help secure it to the mattress so it doesn’t move around. Which is a BIG CON about this product for me. Because the amount of time I had to adjust the topper is just too much, as I had to adjust it every day. When I lay down on the topper after setting it up, my first impression is that it’s very soft and have a cloud like feeling as it seems like you’re floating on top of the mattress. I sleep alot on my sides but sometimes I also sleep on my back. I have no problem when I sleep on my sides but when I do sleep on my back, I would wakeup from my back aching because I have no support. And it’s also not a good combination if you like to sit on your mattress during the day. IN COMPARISON : I use the soft topper from Helix and I love that better compared to this. The Helix has more structure to it, it’s a combination of both soft but yet not too soft. And It has STRAPS to secure it in place, never thought that this would be a HUGE plus when choosing a topper but now I learned something. I never needed to adjust it constantly. CONCLUSION: If you’re looking for a soft topper and sleep on your sides then this might work for you. But, if you like to sleep on your back, I wouldn’t recommend this product since it doesn’t really give any back support. keep in mind that it’ll move around alot since it doesn’t have any straps that goes under the mattress to secure it in place. It has a washable cover that you can take off if it needs cleaning, so that’s a plus. But, Overall it’s not something for me.
5 out of 5 stars
25 May, 2026
originally posted on casper.com
I like how comfortable it is!
[This review was collected as part of a promotion.] Super lightweight and adjustable! I love how comfortable it is and it’s super lightweight! It’s not too soft or too hard and feels really good on my back.
5 out of 5 stars
24 May, 2026
originally posted on casper.com
Super comfy lightweight 3” mattress topper!!
[This review was collected as part of a promotion.] This Casper Sleep Essential 3” Mattress Topper is an amazing topper! It is super comfortable and very well made! It comes with a cover for the topper and o love that! The set up was super easy, I look forward getting one for my bed next!
5 out of 5 stars
19 May, 2026
originally posted on casper.com
Soft , cozy comfort that makes a difference
[This review was collected as part of a promotion.] This mattress topper completely changed the feel of my bed in the best way . It adds the perfect balance of softness and support without feeling too heavy. Installation was super easy, and it extended nicely after unpacking . I also love how clean and luxurious it looks on the bed . Sleeping feels much more comfortable now , especially for my back and shoulders . It’s lightweight , comfortable , and makes the whole bed feel more premium and cozy . Definitely not just an ordinary topper.
4 out of 5 stars
11 May, 2026
originally posted on casper.com
While it has provided the
While it has provided the extra softness I was hoping for, the fit inside the cover is off. It also moves on the bed making it off center.
5 out of 5 stars
9 May, 2026
originally posted on casper.com
This is my second mattress
This is my second mattress topper and both have been and remain awesome. Guests comment claim when did we buy a new mattress. They are so comfortable.
3 out of 5 stars
8 May, 2026
originally posted on casper.com
Mattress too firm? Try Casper topper
[This review was collected as part of a promotion.] The casper mattress topper is a bit too soft for me. Got the feeling like floating almost like water bed. I think it will be perfect for those looking for soft bed as I prefer a bit firmer. I love that it come with a cover.
5 out of 5 stars
30 April, 2026
originally posted on casper.com
I bought the Casper Dream
I bought the Casper Dream and it was too firm for me. I’m a side sleeper and I woke up every night uncomfortable. I almost sent it back until I saw the good reviews for this. Bought it online at 3 am when I’d woken up yet again and it was the last straw. This topper saved the mattress from a return.
2 out of 5 stars
7 April, 2026
originally posted on casper.com
It’s just ok
The pros, it’s not hot . The cons not supportive and not soft . I still wake up with my hips hurting .
5 out of 5 stars
25 March, 2026
originally posted on casper.com
Glad we purchased it. The
Glad we purchased it. The topper is a nice addition. We sleep more comfortably now.
5 out of 5 stars
12 February, 2026
originally posted on casper.com
I got the 3 in
I got the 3 in mattress topper for a ten year old queen bed that was slumping in the middle, it has caused back pain but now my bed situation is so much better it’s so cozy and makes it feel like a new mattress. I have a king bed Casper hybrid mattress too for a few years and I feel it’s just as good :) get one!
1 out of 5 stars
9 February, 2026
originally posted on casper.com
Awful.
Topper is constructed of cheap egg crate foam inside. Very squishy and unpleasantly soft. Sheets don’t stay tight on topper. The only thing I like about topper is the zippered outer shell.