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Last updated: August 23, 2021

Casper Mattress Topper Review: Is It Really as Good As They Say?

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By
Reviewed by
Reviewed by
Last updated: August 23, 2021
Talk About Sleep is reader-supported. We may earn a commission through products purchased using links on this page. Learn more about our process here
Ideal for:
  • Hot sleepers looking for both comfort and breathability
  • Anyone looking to splurge on a premium mattress topper
  • Those looking for excellent pressure relief
Highlights:
  • Medium firmness
  • 3-inches thick
  • 10-year warranty
Editor's Rating
?
SleepScore is a unique scoring system designed by our editors and experts. With the help of it, we can combine all the rankings based on product’s characteristics, statistics, and even feedback about the manufacturer’s customer service into one, all-encompassing score.
9.5
out of 10
  • Editor’s rating 9.5
  • Design 9.7
  • Comfort 9.5
  • Maintenance 9.3
  • Price 9.3
Users’ Rating
4.2
out of 5
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    4.2
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    133 Users’ Ratings
    • 5 stars
      32%
    • 4 stars
      60%
    • 3 stars
      6%
    • 2 stars
      2%
    • 1 stars
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Thanks to mattress toppers, you don’t have to throw away your mattress when it loses its plush comfort. It could also come in handy if your mattress is overly firm and you need some cushioning. Also, mattresses are such huge investments for some people, to increase their longevity, toppers are the ultimate solution. The Casper mattress topper is one of the best high-end mattress toppers out there. Casper is a respectable bed-in-a-box company, popular for premium quality beddings.

The Casper mattress topper compares favorably with others on the market. It distinguishes itself with its 3 comfort layers that combine to create great pressure relief. It is a prime choice for hot sleepers who would love to give their mattress a plusher comfortable feel without giving up on breathability. Many users report that the topper offers the same comfort levels as the original Casper mattress. In this Casper mattress topper review we’ll take a closer look at its features including firmness, durability, cooling features, and more.

Specifications

Thickness
3 inches
Construction
Alt-Latex top, Graphite Latex middle, and viscoelastic bottom
Cover
82% Polyester, 16% Rayon, 2% Lycra (top fabric); 72% Polyester, 26% Acrylic Latex (bottom fabric).
Firmness
medium
Sizes
Twin, Twin XL, Full, Queen, King, Cal King
Warranty
10 years

Casper Mattress Topper

The Casper mattress topper is a fantastic option for anyone who’d like to experience Casper’s foam comfort without buying the original mattress. The topper is a host of many impressive features that combine to give you the hugging sensation of a memory foam. Here is a detailed rundown of the topper’s key features:

Topper Material

Casper Mattress Topper Review: Is It Really as Good As They Say?

Three comfort foam layers provide maximum support, bounce and breathability

The Casper mattress topper stands out for its high-quality construction. It is carefully designed with extra-ordinary materials for unmatched longevity and comfort. Essentially, it has 3 comfort layers. The first layer is made of Alt-latex foam which is just high-density polyurethane foam. It also popularly known as neutral foam because of its superior comfort and better bounce than the traditional foam. The material makes the first layer plush and perfect for body contouring.

The second layer is made with graphite-infused latex foam for maximum breathability. Naturally, latex is a temperature regulating material that is cool to the touch. It absorbs body heat like gel. The latex foam on this middle layer is infused with graphite to increase the topper’s comfort. Graphite is also a high thermal conductor and dissipates heat quickly. It prevents heat from building up in the foam under your body when you are sleeping.

The base layer is made of viscoelastic foam which is basically just memory foam. It adds structure to the topper’s feel. It is not too firm and is perfect for comfortable support.

All these 3 layers of foam combine to provide you with excellent pressure relief and a comfortable cool feeling. They are hypoallergenic and Certi-PUR approved. This means they are free of harmful chemicals like mercury and lead. Also, they are made with tiny holes for optimum airflow. This is another feature that enhances the topper’s breathability.

Cover Material

One glance at the Casper’s soft-to-the-touch top cover and you will fall in love instantly. The plush cover is made with different materials. Its top, which is the comfortable side to sleep on, is made of 82% polyester, 16% Rayon, and 2% Lycra. These materials combined provide a soft, plush surface.

The bottom side of the topper is somewhat rough and not comfortable at all for sleeping. It is made with 72% polyester, and 26% Acrylic Latex. It is designed to be rough so that it can adhere to your mattress well. It offers a solid grip that ensures your topper doesn’t slide around when you lay on it or make your bed. Although the weight of the topper also plays a huge role in how put it stays on your bed.

Thickness

Casper Mattress Topper Review: Is It Really as Good As They Say?

3-inch thickness is good enough for average weight and heavyweight sleepers

The Casper mattress topper is 3 inches thick. This is more than enough to add comfort to any type of mattress. It will add some height to your bed and any standard full-size fitted sheet can accommodate the 3 inches pretty easily. The 3 inches offer the perfectly balanced medium thickness feel that lightweight, average weight and heavyweight sleepers find comfortable.

Average weight sleepers who weigh between 130 pounds and 230 pounds will enjoy the nice body contouring offered by the topper. If you are a back sleeper in this weight category, you will sink in without bottoming out as well as get great lumbar support. If you are a side sleeper, you will enjoy excellent pressure relief. Only stomach sleepers will hate this topper as it is too soft for them.

Heavyweight sleepers with over 230 pounds will also enjoy the comfort of the mattress topper but not too long. Heavy side sleepers will benefit the most as they wouldn’t sink too deep and bottom out. Back sleepers would also get nice support on their lower backs. Heavier stomach sleepers would have to consider other options as the topper is too soft for them and would affect their spinal alignment.

Lightweight sleepers, weighing under 130 pounds would get the most out of this mattress topper’s 3-inch comfort. Both side and back lightweight sleepers would have their pressure points cushioned. Unlike the average and heavyweight stomach sleepers, lightweight stomach sleeper may find the topper comfortable. If you are a lightweight sleeper with back and joint pain, you may get great relief when you start using the topper.

The 3-inch 3-layer piece of foam is well designed to last long without bottoming or flattening out after a couple of uses. Also, you can use it as a mattress on its own, especially if you are an outdoorsy person or whenever you have an overnight guest. Since it only weighs 30 pounds, you can easily carry it in your boot when you go camping.

Firmness

Casper Mattress Topper Review: Is It Really as Good As They Say?

This soft foam mattress topper is firm enough to offer gentle support and pressure relief

If you love soft foam, the Casper mattress topper will be like a dream to you. It is light, plush and super cozy. It is firm enough to offer gentle support without giving up a soft feel. Laying on it feels like sleeping on a ton of cotton balls.

Different sleeper types can enjoy sleeping on the topper, especially side sleepers. It is supportive enough for stomach and back sleepers but it really feels great on the sides of the body because of its pressure-relieving features. If you suffer from back pain or stiffness from sleeping on your side, then this topper is your prime choice. Its 3 layers of foam will absorb the excess pressure and prevent it from building up in your joints.

Moreover, the topper is designed to make any medium or firm mattress feel softer. If your bed is already too soft you might not notice a huge difference.

Another thing you will appreciate about the Casper mattress topper’s firmness is its low motion transfer. Like other foam toppers, it isolates motion effortlessly, thus perfect for couples. In case one of you tosses and turns multiple times in the night then you should invest in this topper. It prevents motion transfer by contouring to the shape of your body such that when you move, it doesn’t affect the other end of the bed.

Certifications

The Casper mattress topper is certified by CertiPUR-US which ensures that all the materials used to make it don’t have any flame retardants like PBDEs, TCEP, Lead, and Mercury and ozone depleters.

The certification also assures consumers that the materials used to make the mattress topper don’t have any harmful emissions that could affect their indoor air quality.

Before using the mattress topper, give it 48 hours to off-gas and expand. When you unbox it, you will notice some slight chemical smell, but it will fade away completely after 2 days.

Besides user safety, the CertiPUR-US certification ensures the mattress topper lives up to the brand’s promises on durability and performance. They check if the build quality is on par with the industry standards. Therefore, this topper’s longevity and performance is totally out of question.

Sizes Available

Casper Mattress Topper Review: Is It Really as Good As They Say?

This mattress topper comes in 6 different sizes and will fit any bed!

When it comes to sizes, Casper caters to virtually everyone with different bed sizes. The mattress topper comes in 6 different sizes: the twin Extra-large, twin size, full size, queen size, King size and California King Size.

Price Tag

The Casper mattress topper is not a budget option. You must be willing to dig deep into your pockets for it. It’s not cheap but it is also not on the highest spectrum of luxury. If you are not so price-conscious, you will find the steep price point of the topper worthy.

The prices vary according to the sizes. A twin size starts from around 195 dollars while the King and California King go for up to 355 dollars. The twin XL, full-size and the queen size range between 215 dollars and 295 dollars.

Durability and Warranty

Nothing feels as bad as going all the way budget-wise for something then it fails to live up to its promises on longevity. Well, that would never be the case with the Casper mattress topper. Its durability is a sure board. Plus, its performance level and durability is approved by the CertiPUR-US certification boards. It is made with the best quality materials with high performance level in mind.

What’s more, Casper offers a generous 10-year warranty. If you encounter any manufacturing defects within this period, you can reach out to Casper for free repairs or replacements.

On top of the warranty, is a 100 night-sleep-trial. You may like the sound of owning a Casper mattress topper but you are not sure it would live up to its hype. Casper allows you to try the topper for 100 days and if you don’t like it you take it back and get a full refund. If you return the topper within the sleep-trial window, you won’t pay any shipping charges even if you live in an area where the initial shipping cost isn’t free.

Care

Casper Mattress Topper Review: Is It Really as Good As They Say?

The cover is washable and can be hand-washed in cold water with mild detergent

You must take proper care of your mattress topper for it to last long. Once you get your purchasing receipt, you will definitely want the topper to last an eternity. Since the mattress topper lies just beneath your bed-sheets, it is highly exposed to sweat, body oil, spills and all the dirt that can go through your sheets. It is also likely to collect allergens and dirt.

That said, it is important to follow the manufacturer’s instructions on proper care and maintenance. Casper recommends that you spot clean the topper carefully. On top of that, you could use a few general cleaning tips to keep your topper fresh. Once you have removed and laundered your bed sheets, you can strip off the top cover from the topper.

The top cover has a zipper that makes removing it such a breeze. Casper advices against washing it in the washing machine. You can hand-wash it will cold water and mild detergent. You can also spot-clean with a mild-detergent then air dry if it isn’t too dirty.

As for the foam portion, only spot cleaning is recommended. You can place it on a flat surface then vacuum it with a handheld attachment. Use baking soda to coat it for at least 8 hours. The baking soda absorbs unpleasant odors and moisture. Vacuum the baking soda from the surface then repeat the cleaning process on the other side.

Key Features

Here is a quick rundown of Casper mattress topper’s top features:

  • 3-layer foam: Alt Latex, Graphite Latex, and Viscoelastic
  • Removable top cover
  • 3-inch build
  • Weighs 30 pounds
  • 6 size options
  • 10-year warranty
  • Medium-firm feel

Extra Features

  • Free shipping and returns
  • CertiPUR-US certified
  • 100-night sleep trial
PROS CONS
  • Superior comfort
  • Durable construction
  • High-quality materials
  • Hypoallergenic
  • Easily removable cover
  • Cover offers secure grip on the mattress
  • Very soft yet supportive
  • Regulates body temperature
  • Relieves excess pressure for side sleepers
  • Offers great body contouring
  • Adds some height to the bed
  • The 3-inch height doesn’t require a fitted sheet
  • Top cover is aesthetically appealing
  • 10-year warranty
  • 100-night sleep trial

 

  • The topper slides out of place occasionally
  • Premium price point

Conclusion

If you are looking to soften your mattress up and sleep cool during summer this is your best bet. Our Casper mattress topper review depicts that the topper is a worth the splurge, as it packs a punch with high-end features. It is not an affordable option but it will last you long, whether you decide to use it as a mattress on its own or as a topper. Plus, it is backed by a whopping 10-year warranty and a 100-night sleep trial in case you find that it is over-hyped.

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