When Casper introduced its original bed-in-a-box, it changed the way people shop for sleep forever. Today, The Casper Mattress continues to be one of our most popular models, combining pressure relief, cooling technology, and reliable support in one streamlined design.
Whether you’re a side sleeper looking for plush comfort, a back sleeper needing spinal support, or simply searching for a mattress that sleeps cool, The Casper is designed to deliver balanced comfort night after night.
In this Casper mattress review, we’ll break down the technology behind The Casper Mattress, including its construction, firmness levels, materials, sizes, and what makes it stand out from traditional memory foam mattresses.

What is The Casper Mattress made of?
Premium materials & certifications
The Casper is made in Canada using high-quality materials designed for comfort, durability, and safety.
Highlights include:
- Made in Canada
- CertiPUR-US® Certified Foam
- Hypoallergenic construction
- Latex-free materials
- Recycled polyester and recycled cotton in the cover
- 100% polyurethane foam layers
These materials are selected to provide a cleaner, more comfortable sleep environment while supporting long-term performance.

Inside The Casper: Four layers of pure comfort
The Casper Mattress is built with four carefully engineered layers that work together to provide cooling comfort and long-lasting support.
1. Cooling Eco Knit Mattress Cover
The outer mattress cover is designed with sustainability and comfort in mind. Made with recycled materials and cooling technology, the Cooling Eco Knit Mattress Cover delivers a cool-to-the-touch feel the moment you climb into bed.
The breathable knit construction also helps improve airflow around the mattress surface, creating a more comfortable sleep environment.
2. AirScape® Cooling Foam
One of Casper’s signature innovations is its AirScape® Cooling Foam. This responsive, gel-infused foam layer features a perforated surface that promotes airflow and helps move heat and humidity away from the body.
Traditional memory foam can sometimes retain heat, but AirScape® Technology helps create a breathable sleep surface that keeps hot sleepers more comfortable throughout the night. It also adds a subtle bounce that makes changing positions easier.
3. Pressure-Relieving Premium Memory Foam
Beneath the cooling AirScape® layer is Casper’s Pressure-Relieving Premium Memory Foam. This layer gently contours to the body to absorb pressure and reduce motion transfer.
That means less strain on common pressure points like the shoulders, hips, and lower back, while also minimizing disruptions from a partner moving during the night. The result is a more cradled, supportive sleep experience that helps promote deeper rest.
4. ProSupport High-Density Base Foam
At the foundation of the mattress is ProSupport High-Density Base Foam, a durable support layer designed to maintain the mattress’s shape over time.
This firm base helps prevent sagging and sinking while supporting proper spinal alignment. It also reinforces the comfort layers above it, ensuring the mattress remains supportive and consistent for years to come.
What sizes does The Casper Mattress come in?
The Casper Mattress is available in a full range of sizes:
| Size | Dimensions (L x W x H) - The Casper Plush | Dimensions (L x W x H) - The Casper Medium | Dimensions (L x W x H) - The Casper Firm |
|---|---|---|---|
| Twin | 74.5” x 37.5” x 10” | 74.5” x 37.5” x 9” | 74.5” x 37.5” x 8” |
| Twin XL | 79.5” x 37.5” x 10” | 79.5” x 37.5” x 9” | 79.5” x 37.5” x 8” |
| Full / Double | 74.5” x 52.5” x 10” | 74.5” x 52.5” x 9” | 74.5” x 52.5” x 8” |
| Queen | 79.5” x 59.5” x 10” | 79.5” x 59.5” x 9” | 79.5” x 59.5” x 8” |
| King | 79.5” x 75.5” x 10” | 79.5” x 75.5” x 9” | 79.5” x 75.5” x 8” |
| Split King | 74.5” x 75” x 10” | 74.5” x 75” x 9” | 74.5” x 75” x 8” |
The variety of mattress sizes makes it easy to fit The Casper into guest rooms, apartments, kids’ rooms, and primary bedrooms alike.
Not sure which size is right for you? Check out our Mattress Size Guide or find tips on how to choose the perfect bed size for your lifestyle.

Why do Canadian sleepers love The Casper Mattress?
A best seller for a reason
The Casper Mattress is trusted by sleepers everywhere because it blends the contouring comfort of memory foam with responsive support and a breathable design. Unlike older memory foam beds that can trap heat or feel overly soft, The Casper is engineered to help sleepers stay cool, aligned, and comfortable throughout the night.
Its thoughtfully layered foam construction provides pressure relief without excessive sinking, making it a strong choice for a wide range of sleep positions and body types.
Available in three firmness levels
One of the standout features of The Casper Mattress is that it comes in three firmness options (Plush, Medium, and Firm), allowing sleepers to choose the feel that best matches their comfort preferences.
Plush
The Plush model is ideal for side sleepers and combo sleepers who want maximum pressure relief and a softer, more contouring feel. Its cushioning comfort gently hugs the body while still providing the support needed for proper alignment.
The Casper Plush memory foam mattress is especially popular among sleepers who prefer a “sink-in” feel without sacrificing support. The softer foam layers cushion pressure points around the hips and shoulders, making it an excellent option for side sleepers.
Medium
The Medium firmness is designed as the most versatile option in the collection. It offers a balanced blend of cushioning and support, making it ideal for side, back, and combination sleepers.
For many shoppers, the Medium version delivers the classic “just right” mattress feel.
Firm
The Firm model provides a sturdier sleep surface with responsive support. It’s best suited for back and stomach sleepers who want stronger support and enhanced spinal alignment.
The firmer feel also appeals to sleepers who prefer sleeping more “on” the mattress rather than deeply contouring into it.
Not sure which firmness level is right for you? Take our Mattress Quiz or learn more about how to pick the right mattress firmness.
Sleep cool all night
Temperature regulation is one of the biggest reasons sleepers choose The Casper. The combination of the Cooling Eco Knit Cover and AirScape® Cooling Foam helps prevent overheating while maintaining the body-contouring feel memory foam is known for.
For sleepers who often wake up warm or uncomfortable, this cooling-focused design can make a noticeable difference in overall sleep quality. However, if you’re looking for maximum cooling, consider Casper’s most advanced and award-winning cooling mattress, the Wave Hybrid Snow.

Is The Casper Mattress worth it?
The Casper Mattress continues to earn its reputation as a best-selling bed-in-a-box by combining innovative sleep technology with everyday comfort and support. From the breathable AirScape® Cooling Foam and Cooling Eco Knit Mattress Cover to the Pressure-Relieving Premium Memory Foam and ProSupport High-Density Base Foam, every layer is thoughtfully designed to help sleepers rest more comfortably night after night.
With Plush, Medium, and Firm options available, The Casper makes it easy to find the right feel for your preferred sleep position and comfort level. Add in premium materials, cooling performance, and the convenience of easy delivery, and it’s clear why The Casper remains a go-to choice for so many sleepers looking for a reliable memory foam mattress.
Not sure The Casper is right for you? Compare all Casper mattresses or take our Mattress Quiz to find your perfect fit.
FAQs
Are memory foam mattresses good for sleep?
Yes, memory foam mattresses are a great option for many people as they are known for being both soft and supportive. A memory foam mattress like The Casper offers excellent pressure relief, contouring to your body's shape and providing support where needed. This is especially beneficial for combination sleepers who change positions throughout the night. The Casper is designed to ensure optimal comfort and support for side, back, stomach, and combination sleepers.
Is Casper a good mattress?
Yes, Casper is widely regarded as one of the best mattresses in Canada, known for its innovative sleep technology, premium materials, and strong focus on comfort and support. Casper Canada is at the forefront of mattress technology, designing high-quality mattresses that help promote proper spinal alignment, pressure relief, and temperature regulation for a better night's sleep. The brand is also a leader in the bed in a box category, offering convenient delivery, easy setup, and a range of options to suit different sleep preferences. Whether you're a side, back, or combination sleeper, Casper's thoughtfully engineered mattresses make it a popular choice among Canadians looking for a premium sleep experience.
Does The Casper Mattress sleep cool?
Yes, The Casper is designed to sleep cool. It features a Cooling Eco Knit Mattress Cover and a layer of AirScape® Cooling Foam, which is a perforated, breathable foam designed to promote airflow and move heat away from the body. The Casper Mattress is an excellent choice for hot sleepers.
For an even cooler sleep experience, consider the Casper Wave Hybrid Snow Mattress.
How firm is The Casper Mattress?
The Casper Mattress is available in three firmness levels. Whether you prefer a Plush mattress, Medium mattress, or Firm mattress, you don't have to sacrifice great sleep to keep your body comfortable and supported just the way you like it.
What's the difference? While all three models are made with quality materials and the same innovative AirScape® Cooling Foam, Pressure-Relieving Premium Memory Foam, and ProSupport High-Density Base Foam, there is a difference in the feel. The Casper Medium features the perfect balance of support and cushion, while the Plush version features softer foam layers to relieve pressure points for side sleepers, and the Firm version is made with firmer foam layers to ensure spinal alignment for stomach and back sleepers.
How do I clean my Casper mattress?
Wondering how to clean a memory foam mattress? Start with these steps.
Step 1: Protect your mattress
We strongly recommend using a mattress protector to prevent damage to your Casper bed (plus a protector makes cleaning simple—just remove and wash as needed). Check out the Casper Mattress Protector or Casper QuickCool™ Mattress Protector, both of which are waterproof and designed to shield your mattress against stains, dirt, and wear.
Step 2: Keep it clean
No protector? Just spot clean gently with mild detergent and water, and let it air dry.
Step 3: Rotate to maintain
Rotate your mattress 180 degrees every three to six months to ensure it wears evenly. Do not flip it—Casper beds are designed with a specific top and bottom.
For more information on how to clean a mattress, check out our Ultimate Mattress Care Guide.
Who is The Casper Plush Mattress best for?
The Casper Plush is best for sleepers who prefer a softer, more contouring feel with extra pressure relief. Its plush design gently cushions the body, making it especially well suited for side sleepers, who often need added comfort around the shoulders and hips. It’s also a good fit for anyone who enjoys a “sink-in” feel without sacrificing supportive alignment.
Who is The Casper Medium Mattress best for?
The Casper Medium is best for sleepers looking for a balanced feel that combines cushioning comfort with reliable support. Its medium feel is designed to work well for a wide range of sleep positions, making it a versatile choice for combination sleepers and couples with different comfort preferences. It offers enough softness to relieve pressure while still helping keep the spine comfortably aligned.
Who is The Casper Firm Mattress best for?
The Casper Firm is best for sleepers who prefer a more supportive, stable sleep surface with minimal sink. Its firmer feel is especially well suited for back and stomach sleepers, who typically benefit from extra support to help maintain proper spinal alignment throughout the night. It’s also a great option for sleepers who prefer a more lifted feel rather than deep contouring.
Why choose The Casper Mattress?
Inspired by the first mattress that pioneered the bed-in-a-box category, The Casper is an upgraded take on the original memory foam mattress. Designed exclusively for Casper, it combines premium comfort foams, enhanced cooling features, and a high-quality cover to deliver a more comfortable, supportive, and refreshing sleep experience, all with the convenience of easy delivery to your door.
Is The Casper Mattress good for side sleepers?
Yes, The Casper Mattress is one of the best mattresses for side sleepers. It features a blend of ProSupport High-Density Base Foam, Pressure-Relieving Premium Memory Foam, and AirScape® Cooling Foam to keep your spine properly aligned. This balance helps side sleepers avoid shoulder and hip soreness while maintaining healthy posture throughout the night.
The Plush version of this mattress is generally recommended for side sleepers as it provides extra cushioning around the shoulders and hips. Further, The Casper’s layers of breathable foam (including a layer of AirScape® Cooling Foam) improve airflow and reduce heat buildup, which is a bonus if you tend to get warm while sleeping on your side.
What is Casper’s delivery time in Canada?
Casper Canada orders usually ship out in 3 to 5 business days and arrive 2 to 10 business days after that.
What is the Casper Canada return policy?
Casper Canada offers a 100-night sleep trial on all mattresses. If you’re not in love with your Casper bed at any time during the trial, you can make a free and easy return. Casper Canada has free returns for all mattresses and will even pick up your mattress from your front door.
Does Casper offer a mattress warranty?
Yes, Casper Canada offers a 10-year limited warranty on all mattresses.
How long does a memory foam mattress last?
Wondering “how long does a mattress last?” The average mattress lasts between 7 and 10 years when cared for properly. However, memory foam mattresses, especially those made of high-density foam, like The Casper, can retain their shape and offer support longer than low-quality foam mattresses (sometimes up to 12 years).
Whether it's foam, spring, or hybrid, the longevity of a mattress is tied to the quality of the components. Casper Canada mattresses are backed by a 10-year warranty and use the highest quality components, like CertiPUR-US® Certified Foam, to ensure every mattress provides years of comfortable, restful sleep.
Learn more about when to replace your mattress.
Where can I buy a Casper mattress in Canada?
Wondering where to buy a Casper mattress in Canada? The Casper Mattress is available exclusively on Casper.ca and in Casper Canada stores. The rest of Casper’s mattress lineup, including the Original Hybrid Mattress and the Wave Hybrid Snow Mattress, is available on Casper.ca, in Casper Canada stores, and in Sleep Country Canada stores.
Where are Casper mattresses made?
The Casper Mattress is proudly made in Canada using Canadian materials.




