Looking for a king-sized mattress that offers both comfort and support? Casper’s king mattress has become a popular choice for many sleepers seeking a good night’s rest. This review covers everything you need to know before making your purchase decision.
The Casper king mattress combines premium foam layers with targeted support zones to create a balanced sleep surface that works well for most body types and sleep positions. The mattress features the brand’s signature pressure-relieving technology while maintaining proper spinal alignment.
The king size dimensions provide ample space for couples, restless sleepers, or anyone who simply enjoys extra room to spread out. With its medium-firm feel, the Casper king strikes a good balance between softness and support that appeals to a wide range of sleepers.
Casper King Mattress Review – Construction and Materials
Casper’s King mattresses feature distinct construction methods and high-quality materials that affect comfort, durability, and temperature regulation. Each model in the lineup offers unique benefits through specialized layer combinations.
Overview of the Casper Original Mattress
The Casper Original features a thoughtfully designed all-foam construction. Its top layer uses proprietary Airscape foam with hundreds of perforations that increase airflow and help heat escape. This open-cell foam offers a responsive feel while preventing overheating.
Beneath this lies a zoned support layer that provides firmer foam under the hips and softer foam under shoulders. This design helps maintain proper spinal alignment regardless of sleeping position.
The base layer consists of durable high-density foam that prevents sinking and extends mattress life. For those seeking additional support, the Casper Original Hybrid variant replaces some base foam with individually wrapped coils.
The mattress cover uses a blend of recycled polyester and upcycled cotton that feels soft to the touch. All foams used are CertiPUR-US certified, ensuring they’re free from harmful chemicals.
Layers in the Casper Dream Hybrid
The Casper Dream Hybrid offers a premium construction combining foam and springs. Its top layer features an enhanced Airscape foam that’s more responsive than the Original model.
The mattress includes a specialized memory foam comfort layer that contours to the body and provides excellent pressure relief. This layer works with the zoned support system below to create balanced comfort.
The Dream Hybrid’s support core contains individually wrapped coils with reinforced edges. These springs provide targeted support while minimizing motion transfer between sleep partners.
A perimeter of firmer foam surrounds the coils to create excellent edge support, making it easier to get in and out of bed. The hybrid design offers greater durability than all-foam options, especially important for heavier sleepers.
Unique Features in Casper Snow Hybrid
The Casper Snow Hybrid introduces advanced cooling technology for hot sleepers. It starts with Snow Technology – a proprietary cooling system that includes heat-wicking materials in the mattress cover.
The top layer contains enhanced Breathe Flex Foam with specialized phase-change materials that absorb and dissipate body heat. Casper claims this system can maintain a cool temperature throughout the night.
Beneath this sits a layer of HeatDelete Bands – strips of specialized material that actively pull heat away from the body. These work alongside the perforated Airscape foam to prevent heat buildup.
The Snow Hybrid’s support core features pocketed coils with additional airflow channels. These allow warm air to escape from the mattress interior more efficiently than traditional designs.
The mattress combines these cooling features with the same zoned support system found in other Casper models. This creates a sleeping surface that remains comfortable regardless of temperature.
Comfort and Firmness
The Casper King mattress offers a carefully designed balance of support and softness that appeals to most sleepers. Its multi-layered construction addresses different comfort needs while maintaining proper spinal alignment.
Firmness Scale and Feel
The Casper King mattress falls at a 6-7 on the 10-point firmness scale, placing it in the medium-firm range. This level of firmness supports the body without feeling too rigid or too soft.
Many side and back sleepers find this firmness ideal as it provides enough give to cushion pressure points while still maintaining proper support.
The top memory foam layer responds to body heat and pressure, contouring to your shape for personalized comfort. This adaptability makes the transition from other mattresses relatively seamless for most sleepers.
Unlike traditional memory foam that can feel “stuck,” Casper’s formulation allows for easier movement and position changes throughout the night.
Zoned Support and Comfort Layers
Casper’s signature Zoned Support™ system divides the mattress into three ergonomic zones. The shoulder area features softer foam for better pressure relief, while the hip and lower back section uses firmer materials for enhanced support.
This zoned approach helps maintain proper spinal alignment regardless of your sleeping position. Side sleepers particularly benefit from the softer shoulder section.
The mattress includes multiple comfort layers:
- Top layer: Breathable AirScape™ foam
- Middle layer: Zoned Support™ memory foam
- Base layer: Durable support foam
These layers work together to provide targeted relief and prevent the common “sinking feeling” associated with all-foam mattresses.
Casper Snow Max Hybrid’s Cooling Features
The Casper Snow Max Hybrid variant offers enhanced cooling features for hot sleepers. Its cooling gel layer actively draws heat away from the body throughout the night.
The Snow Max includes HeatDelete™ bands that continuously move heat away from the mattress surface. These specialized thermal bands prevent the uncomfortable heat buildup common in traditional memory foam.
The breathable AirScape™ layer adds tiny perforations that increase airflow and provide additional cooling benefits. This design allows warm air to escape rather than becoming trapped near your body.
The hybrid design incorporates pocketed coils that create natural ventilation channels within the mattress. This airflow system works alongside the cooling foam to maintain a comfortable sleeping temperature.
Performance and Quality
The Casper King mattress delivers strong performance in key areas that matter for sleep quality. Testing reveals impressive results for motion isolation, edge support, and temperature regulation that set it apart from many competitors.
Motion Isolation for Undisturbed Sleep
The Casper King mattress excels at motion isolation. Its multi-layer foam construction absorbs movement effectively, preventing disturbances when a partner moves or gets up during the night.
Tests show minimal motion transfer across the mattress surface. When one person changes positions, the other person feels almost no movement—a significant benefit for couples.
The memory foam comfort layer acts as the primary motion absorber. It works together with the transition layer to create a buffer zone that limits vibrations from spreading across the mattress.
Even with larger movements like getting in and out of bed, the Casper King contains most disruptions to a small area around the movement source.
Edge Support and Use of Surface
Edge support on the Casper King mattress is notably good for an all-foam design. The reinforced perimeter helps prevent the feeling of “rolling off” when sitting or lying near the edge.
Users can comfortably utilize the entire mattress surface, including the edges. This effectively increases the usable sleeping area—valuable for a couple sharing a bed.
When sitting on the edge, there is some compression, but not excessive sinking. The mattress maintains about 70% of its support at the perimeter compared to the center.
The enhanced edge support also contributes to the mattress’s overall durability. It helps the mattress maintain its shape over time, reducing the likelihood of permanent indentations along the sides.
Temperature Regulation and Airflow
Temperature regulation is addressed through Casper’s AirScape™ design. The top layer features small perforations that allow heat to escape rather than becoming trapped against the body.
The breathable cover works with these perforations to promote airflow throughout the night. This design helps maintain a more neutral sleeping temperature compared to traditional memory foam.
While not as cool as some hybrid or innerspring mattresses, the Casper King performs well for an all-foam mattress. Tests show it stays 2-3 degrees cooler than standard memory foam mattresses.
The cooling effect is most noticeable during the first few hours of sleep when heat buildup typically causes discomfort on conventional foam mattresses.
Suitability for Different Sleepers
The Casper King mattress accommodates various sleep positions with its specialized design features. Its medium-firm feel and zoned support system work differently for side, back, stomach, and combination sleepers.
Adaptability for Side and Back Sleepers
The Casper King mattress offers excellent support for side sleepers. Its softer foam around the shoulders allows them to sink in just enough to maintain proper spinal alignment. This design helps reduce pressure points at the hips and shoulders—common problem areas for side sleepers.
Back sleepers will appreciate the mattress’s medium-firm feel. The Zoned Support™ system provides firmer support under the hips and lower back, helping maintain a neutral spine position. This prevents the lower back from sinking too deeply into the mattress.
The memory foam layers contour to the body’s natural curves, filling the space between the lower back and the mattress. Many back sleepers report reduced back pain after switching to a Casper mattress.
Considerations for Stomach Sleepers
Stomach sleepers have unique needs, and the Casper King mattress meets many of them. The firmer support zones in the hip area prevent the midsection from sinking too deeply, which helps maintain proper spinal alignment.
However, some stomach sleepers who weigh over 230 pounds might find they need a firmer surface. The medium-firm feel (6/10 on the firmness scale) may allow heavier stomach sleepers to sink too much in the midsection.
The mattress’s responsive foam helps stomach sleepers change positions without feeling stuck. Unlike traditional memory foam, Casper’s proprietary foams bounce back quickly when pressure is removed.
Stomach Sleeper Tip: Placing a thin pillow under the hips can further improve alignment for stomach sleepers who find their midsection sinking too deeply.
Casper Mattresses for Combination Sleepers
Combination sleepers who switch positions throughout the night will find the Casper King particularly accommodating. The responsive foam layers recover quickly when pressure changes, making movement easier than on traditional memory foam mattresses.
The balanced medium-firm feel works well for most position changes. When transitioning from back to side or stomach positions, the zoned support adapts to provide proper pressure relief and spinal alignment.
The mattress’s minimal motion transfer is also beneficial for combination sleepers who share the bed. When changing positions, there’s less chance of disturbing a partner.
The top layer’s breathable design helps combination sleepers stay cool even when moving frequently, as body heat doesn’t get trapped in one area of the mattress.
Health and Wellness
The Casper King mattress offers several health benefits that can improve your sleep quality and overall wellbeing. From proper spine support to temperature regulation, this mattress addresses common sleep concerns.
Spine Alignment and Back Pain Alleviation
The Casper King mattress features a specialized ergonomic design that promotes proper spine alignment during sleep. Its zoned support system provides firmer support under the hips and softer cushioning around the shoulders. This balance helps maintain a neutral spine position throughout the night.
Many users with chronic back pain report significant improvement after switching to the Casper mattress. The all-foam construction offers pressure point relief while still providing adequate support where it’s needed most.
During the 100-night sleep trial, customers can thoroughly test whether the mattress helps reduce their back discomfort. This extended testing period allows for proper adjustment to the new sleep surface.
Hypoallergenic Materials and Health Considerations
The Casper King mattress uses CertiPUR-US certified foams that are free from harmful chemicals like formaldehyde and phthalates. This certification ensures low VOC emissions, contributing to better indoor air quality.
Unlike some budget mattresses, the Casper doesn’t contain fiberglass as a fire retardant. Instead, it uses a safer knit sock material that meets fire safety standards without introducing potentially harmful particles into your home.
The mattress cover is made from hypoallergenic materials that resist dust mites and other common allergens. This feature makes it a solid choice for those with respiratory sensitivities or allergies.
Benefits for Hot Sleepers
The Casper King mattress incorporates several cooling technologies that benefit hot sleepers. Its top layer features perforated breathable foam that allows for increased airflow compared to traditional memory foam.
Temperature regulation is further enhanced by the open-cell foam structure that dissipates body heat rather than trapping it. This design helps maintain a comfortable sleep temperature throughout the night.
For those who typically sleep hot, the Casper ranks well among cooling mattresses in its price category. The breathable cover works in conjunction with the cooling foam layers to create a sleep surface that stays relatively neutral in temperature.
Purchasing and Ownership Experience
Buying a Casper King mattress involves several steps beyond just the product itself. The entire journey from ordering to long-term ownership includes important considerations about delivery, trial periods, and warranty coverage.
Delivery and Unboxing Experience
The Casper King mattress arrives as a bed-in-a-box, compressed and rolled inside a manageable cardboard box. Standard delivery is free to most locations in the continental United States, with options for scheduled delivery available for an additional fee.
Upon arrival, the unboxing process is straightforward. The box weighs approximately 85 pounds, so having two people available is recommended. Once removed from the packaging, the mattress begins expanding immediately.
Full expansion typically takes 24-48 hours. Some customers report a mild “new mattress smell” upon unboxing, which is normal for foam mattresses. This off-gassing scent usually dissipates within a few days with proper ventilation.
The compact packaging makes it easier to navigate through hallways and doorways compared to traditional mattress delivery.
Sleep Trial and Return Policy
Casper offers a 100-night sleep trial for their King mattress. This period begins on the delivery date and allows customers to fully test the mattress in their home environment.
If dissatisfied for any reason during the trial period, returns are free. Casper arranges for the mattress to be picked up and donated to a local charity when possible, or recycled according to local regulations.
The company requires customers to try the mattress for at least 30 nights before initiating a return. This adjustment period allows the body to adapt to the new sleeping surface.
A full refund is issued once the return is processed, typically within 2 weeks of pickup. The return process receives positive marks in customer reviews for being hassle-free.
Customer Service and Warranty
The Casper King mattress comes with a 10-year limited warranty covering manufacturing defects and premature deterioration not resulting from improper use. The warranty specifically covers indentations greater than 1 inch, which could affect sleep quality.
Customer service is available 7 days a week through multiple channels: phone, email, and live chat on their website. Representatives can answer questions about the mattress, warranty terms, and troubleshoot any issues.
For warranty claims, Casper typically requires photographs of the defect and proof of purchase. If approved, they either repair or replace the mattress at no cost to the customer.
The warranty is non-transferable and applies only to the original purchaser. Customer reviews frequently mention positive experiences with Casper’s responsive support team when addressing concerns.
Additional Accessories
Enhance your Casper King mattress with these essential accessories that protect your investment and improve your sleep experience. The right accessories can extend mattress life, boost comfort, and create the perfect sleep environment.
Mattress Protector Options
Casper offers a waterproof mattress protector specifically designed for their King mattresses. This protector shields against spills, allergens, and bed bugs while preserving your warranty coverage. The breathable material prevents that crinkly, plastic feel of traditional protectors.
For budget-conscious shoppers, third-party alternatives like SafeRest and Linenspa provide solid protection at lower price points. These options still offer waterproof barriers but may lack the perfect fit of Casper’s branded protector.
Mattress protectors range from $85-$119 for King size. Most feature:
- Waterproof barrier technology
- Machine-washable materials
- Breathable fabric for temperature regulation
- 5-year warranty coverage
A quality protector is essential for maintaining mattress firmness and support over time.
Comparing Casper Bedding Products
Casper’s bedding collection complements their mattresses with products designed for compatible comfort and support.
Casper Sheets and Pillowcases:
- Percale: Crisp, cool cotton ($139 for King set)
- Sateen: Silky smooth with subtle sheen ($149 for King set)
- Hyperlite: Ultra-lightweight for hot sleepers ($159 for King set)
Casper Pillows:
- Original: Adjustable support with pillow-in-pillow design ($89)
- Foam: Solid core for alignment ($109)
- Down: Ethically sourced down fill ($169)
When paired with a Casper King mattress, these bedding products help maintain proper spinal alignment. The sheets are designed to accommodate the mattress depth while enhancing breathability.
Customer reviews frequently mention how Casper bedding enhances the overall sleep experience on Casper mattresses compared to generic alternatives.
Complementary Products for Casper Mattress Owners
The right foundation ensures optimal mattress support and longevity. Casper offers several foundation options for King mattresses:
- Casper Foundation: $349 (sturdy wooden frame)
- Platform Base: $495 (modern, minimalist design)
- Adjustable Base: $1,195 (customizable positions)
Third-party bed frames work well too, provided they offer adequate support. Look for solid platforms or slatted frames with slats no more than 4 inches apart.
Additional accessories worth considering:
- Mattress topper ($199): Adds plushness to firmer models
- Weighted blanket ($179): Promotes deeper sleep
- Humidity-fighting duvet ($349): Temperature regulation
Proper support is crucial for maintaining mattress firmness and preventing premature sagging. Most Casper mattresses require a flat, solid surface rather than box springs for optimal performance and warranty compliance.
Company Profile and Values
Casper has grown from a startup to a major player in the mattress industry. Their commitment to quality sleep products and ethical business practices has helped establish them as a trusted brand.
Casper’s Market Position and Reputation
Casper pioneered the online mattress-in-a-box concept when it launched in 2014. The company quickly disrupted the traditional mattress industry with its direct-to-consumer model.
Today, Casper holds a significant position in the sleep products market. Their product line has expanded beyond the original Casper One Mattress to include premium options like the Casper Dream Max, Dream Max Hybrid, and Snow Max Hybrid.
Casper’s reputation rests on three key pillars: quality materials, innovative design, and customer satisfaction. Their 100-night trial period and comprehensive warranty demonstrate confidence in their products.
The brand maintains strong customer ratings across review platforms. Their mattresses consistently rank well in expert evaluations for comfort, support, and durability.
Sustainability and Corporate Responsibility
Casper demonstrates commitment to environmental responsibility through several key initiatives. Their CertiPUR-US® certified foams are made without ozone depleters, harmful flame retardants, or heavy metals.
The company has worked to reduce packaging waste in their mattress-in-a-box delivery system. Their compressed shipping method allows more efficient transportation, reducing carbon emissions compared to traditional mattress delivery.
Casper participates in mattress donation programs, partnering with charities to provide returned mattresses to those in need. This reduces landfill waste while supporting communities.
The company maintains transparent manufacturing practices and publishes information about material sourcing. They continue working toward more sustainable business operations throughout their supply chain.
Conclusion
The Casper King mattress earns a solid 8.5/10 firmness score, making it a medium-firm option that works well for most sleepers. This balance provides good support while still offering enough cushioning for comfort.
Side sleepers will find the Casper particularly accommodating. The zoned support system gives extra relief around the shoulders and hips, which are pressure points for those who sleep on their side.
Lightweight sleepers under 130 pounds may find the mattress slightly firmer than ideal. However, the responsive foam layers still contour adequately to provide comfort for most body types.
When compared to other best mattresses on the market, the Casper King stands out for its temperature regulation and motion isolation. The breathable foam design helps prevent overheating during sleep.
Who should buy the Casper King mattress:
- Side and combination sleepers
- Couples who share a bed
- Hot sleepers looking for a foam mattress
- Those wanting a medium-firm feel
Who might look elsewhere:
- Very lightweight sleepers wanting a softer surface
- Those needing extra-firm support
- Sleepers preferring the bounce of traditional springs
The 100-night trial period gives customers plenty of time to decide if this mattress meets their needs. With its durable construction and 10-year warranty, the Casper King represents a worthwhile investment for quality sleep.
Frequently Asked Questions
Casper mattresses come with different features, prices, and performance ratings that shoppers often want to clarify before purchase. These common questions address the key differences between models, pricing expectations, and what experts say about them.
What are the common features and differences in Casper mattresses available at Costco versus other retailers?
Casper mattresses at Costco sometimes feature exclusive models not found elsewhere. These Costco-specific versions often have slight modifications in layer thickness or cover materials compared to their standard retail counterparts.
The Casper Select is a Costco-exclusive model that typically offers a similar feel to the Original but with different layer specifications. Pricing at Costco is generally more competitive than at Casper’s website or other retail partners.
Warranty and trial period policies may differ when purchasing from Costco versus directly from Casper. Costco typically offers its own return policy rather than Casper’s standard 100-night trial.
How does the Casper Cooling Select mattress perform compared to other Casper models?
The Casper Cooling Select features enhanced cooling technology with more breathable foams than the standard models. Its top layer contains more cooling gel and perforations designed to dissipate body heat more effectively.
Sleep testers report the Cooling Select maintains a more neutral temperature throughout the night compared to the Original Casper. This makes it particularly suitable for hot sleepers who find memory foam mattresses too warm.
The Cooling Select maintains the signature Casper pressure relief while adding temperature regulation as its key differentiator. However, the enhanced cooling features come with a higher price point than the standard models.
What pricing can be expected for a Casper King mattress?
A Casper Original King mattress typically retails between $1,695 and $1,895, depending on current promotions. The company frequently offers seasonal discounts that can reduce prices by 10-20%.
The premium Casper Wave Hybrid King, their most expensive model, generally costs between $2,895 and $3,095. The budget-friendly Casper Element King usually ranges from $995 to $1,195.
Retailers like Amazon, Costco, and department stores occasionally offer better pricing than Casper’s website. Significant discounts typically appear during major holiday sales events like Black Friday, Presidents’ Day, and Memorial Day.
What has been the general consumer response to the durability and longevity of Casper mattresses?
Consumer reports indicate Casper mattresses generally maintain their support and comfort for 6-8 years with proper care. This lifespan aligns with industry standards for quality foam mattresses.
Some users note slight softening of the comfort layers after 2-3 years, particularly for heavier individuals. However, the supportive core layers typically maintain their integrity throughout the warranty period.
The hybrid models with coil support systems tend to receive higher durability ratings than the all-foam versions. The reinforced edge support in newer models addresses previous complaints about edge sagging.
Are there any notable differences in the composition and comfort between the Casper Element and other higher-end Casper models?
The Casper Element uses a simpler 2-layer design compared to the 3+ layers found in higher-end models. This results in less targeted support and pressure relief than the Original or Wave models.
Higher-end Casper models incorporate zoned support systems that provide firmer support under the hips and softer cushioning for shoulders. The Element lacks these specialized zones, offering a more uniform feel throughout.
The comfort layer in the Element is thinner and less dense than in premium models. This makes the Element firmer and less conforming, though still comfortable for many back and stomach sleepers.
What do professional sleep product review publications typically say about the Casper King mattress?
Professional reviewers consistently praise the Casper King for its balanced medium-firm feel that accommodates a wide range of sleepers. Most publications rate it between 6-7 on the 10-point firmness scale.
Sleep experts highlight the mattress’s pressure relief capabilities, particularly for side and combination sleepers. Reviews mention the mattress’s good motion isolation but note average edge support in the all-foam version.
Temperature regulation receives mixed reviews, with the standard model considered temperature-neutral rather than actively cooling. Most experts agree the Casper provides good value compared to similar quality mattresses in its price range.