Casper King Size Mattress Review

Scott White
Chief Sleep Researcher
Updated 3 Days Ago

The Casper King Size Mattress for 2024 offers a winning combination of luxurious comfort, durability, and exceptional customer experience. Casper, a brand that has made a significant impact in the mattress industry, continues to impress with this offering. Its key features, including impressive comfort and support, make it an ideal choice for those seeking restorative sleep. We recommend the Casper King Size Mattress for its thoughtful design, commitment to sustainability, and superior customer service, ensuring you get the best possible night's sleep.


Offers an impressive range of comfort experiences, ensuring there's a perfect match for all sleep styles and preferences. This customization helps to accommodate pressure areas and cater to various sleeping positions, enhancing overall comfort.

This model offers more pressure relief compared to its predecessor. It's an excellent choice for those suffering from chronic pain, providing restful, restorative sleep.

Offers the same level of care and quality across the brand. Buying from an established brand ensures reliability and future customer support.

Our Recommendation

While this is a impressive option, one name stands out as our number one pick: the Saatva mattress. We rigorously research and review mattresses to help you find the perfect night's rest. Our top pick, the Saatva mattress, stands out for its unparalleled comfort, superior support, and durability. Crafted with eco-friendly materials and multiple firmness options, it's the cost-effective choice for your best sleep yet. Discover the magic of Saatva and elevate your sleep experience.



You prefer a very firm mattress

You need a mattress with innerspring coils

You're looking for the cheapest option


You value luxurious comfort

You appreciate eco-friendly brands

You want exceptional customer service

Casper, a pioneering brand in the mattress industry, continues to shine with its King Size Mattress for 2024, offering an exemplary blend of comfort, durability, and eco-conscious design. With a rich history of redefining sleep, Casper has consistently delivered innovative solutions, and their King Size Mattress is no exception. This mattress reflects a meticulous approach to construction, featuring layers of memory foam and support foam, purposefully designed to cradle your body, relieve pressure points, and promote a peaceful night's sleep. Casper's commitment to sustainability sets it apart, utilizing eco-friendly materials and practices that contribute to a more environmentally responsible mattress brand. Paired with exceptional customer service, the Casper King Size Mattress promises a rejuvenating and eco-conscious sleep experience. Whether you're looking for luxury, sustainability, or a top-tier buying journey, Casper offers it all in one impressive sleep solution.

Get Casper King Size Mattress if...

  • Luxurious Comfort: Casper King Size Mattress offers a plush and supportive feel, ensuring a night of luxurious comfort.
  • Innovative Design: Experience cutting-edge mattress technology with Casper's innovative design, promoting airflow and temperature regulation for a cool and cozy sleep environment.
  • Proven Durability: Enjoy long-lasting quality and durability, as Casper mattresses are crafted with premium materials to withstand the test of time.

Skip Casper King Size Mattress if...

  • Price Point: Casper King Size Mattress tends to be on the higher end of the price spectrum, making it less budget-friendly for some consumers.
  • Firmness Preference: If you prefer an extremely firm or extremely soft mattress, Casper's medium-firm feel may not align with your specific comfort preferences.
  • Motion Transfer: While Casper excels in motion isolation, if you're particularly sensitive to any motion transfer, especially for couples, you might want to explore mattresses with enhanced motion isolation features.


  • Universal Comfort: Casper's medium-firm feel caters to a wide range of sleepers, providing a balanced and versatile comfort level.
  • Excellent Motion Isolation: Ideal for couples, the Casper King Size Mattress excels in minimizing motion transfer, ensuring uninterrupted sleep.
  • Zoned Support: Zoned support technology targets different areas of the body, providing enhanced comfort and spinal alignment.
  • Good Edge Support: The mattress offers solid edge support, maximizing the usable sleep surface.
  • Trial Period and Warranty: Casper provides a generous trial period for customers to test the mattress, and it comes with a durable warranty, showcasing the brand's confidence in its product.


  • Price: Casper mattresses can be relatively higher in price compared to some competitors.
  • Firmness Preference: If you have a strong preference for either a very firm or very soft mattress, Casper's medium-firm may not meet your specific needs.
  • Temperature Regulation: While designed with cooling features, some users may find that the mattress retains more heat than expected.
  • Off-Gassing: Like many memory foam mattresses, Casper may have a slight off-gassing odor upon initial unboxing.
  • Weight: The Casper King Size Mattress can be heavy, making it challenging for some individuals to move or rotate regularly.

Comfort & Firmness

The Casper King Size Mattress embodies a luxurious and versatile approach to comfort and firmness. Since its inception in 2014, Casper has aimed to provide a mattress that caters to a wide spectrum of sleep preferences. The King Size Mattress offers varying firmness levels across its mattress models, categorized into four collections, ensuring that you can select the perfect comfort level for your specific sleep needs. Whether you favor the plush embrace of a softer mattress or the sturdy support of a firmer one, Casper's King Size Mattress has you covered. Its balanced construction strikes a harmonious chord between comfort and support, making it suitable for various types of sleepers, from side and back sleepers to those seeking restorative slumber. With this feature-rich mattress, you can expect to wake up refreshed and revitalized, no matter your sleep style, thanks to its thoughtfully designed comfort and firmness levels.

Construction Key Points

The Casper King Size Mattress boasts a multi-layered construction that forms the foundation of an exceptional sleep experience. While the exact composition may vary depending on the specific model within the King Size Mattress collection, it typically includes memory foam, gel-infused foam, and support foam. Each layer is purposefully designed to contribute to a sleep surface that cradles your body, ensures proper spinal alignment, minimizes pressure points, and guarantees a peaceful night's sleep. Casper's meticulous approach to layering underscores their commitment to delivering a mattress that prioritizes both comfort and performance.

Sleep Temperature

The Casper King Size Mattress is designed to offer an ideal sleep temperature through thoughtful construction and material choices. While it may not incorporate specific cooling technologies, its design focuses on enhancing breathability and promoting a comfortable sleep temperature. The mattress's combination of memory foam, gel-infused foam, and support foam works cohesively to regulate temperature throughout the night, reducing the likelihood of overheating or night sweats. This feature is particularly beneficial for individuals who are prone to sleeping hot or reside in warmer climates, ensuring that you can enjoy a restful and uninterrupted night's sleep without disturbances related to temperature discomfort.


The Casper King Size Mattress boasts a well-thought-out layer composition that prioritizes both support and comfort. This mattress features a multi-layer design, including memory foam and support foam. The top layer, made of breathable and responsive memory foam, conforms to your body, cradling pressure points and providing a plush, comfortable surface for rest. Beneath the memory foam, a zoned support layer is strategically placed to reinforce the areas where you need it most, such as your hips and shoulders. Finally, the base layer, composed of durable support foam, ensures the mattress's longevity and stability. Together, these layers create a harmonious blend of comfort and support, allowing you to enjoy a peaceful and rejuvenating night's sleep, no matter your preferred sleeping position.

Back Support

The Casper King Size Mattress excels in providing exceptional back support, making it a superb choice for individuals seeking relief from back discomfort. Casper's design incorporates a zoned support layer that specifically targets the critical areas of your body, such as the hips and shoulders, providing extra reinforcement where needed most. This thoughtful approach ensures proper spinal alignment and reduces pressure on your lower back, facilitating a more comfortable and supportive sleep. Whether you're a back sleeper or experience occasional back pain, the Casper King Size Mattress is designed to promote a restorative night's sleep while effectively addressing your back support needs.

Sagging & Edge Support

The Casper King Size Mattress is equipped with robust sagging and edge support features, contributing to a more durable and comfortable sleeping experience. The mattress's zoned support layer is instrumental in preventing sagging, as it reinforces the areas of the mattress most susceptible to wear and tear over time. Additionally, the mattress offers reliable edge support, ensuring that you can fully utilize the entire surface without experiencing a sinking feeling when sitting or lying near the mattress's edges. This feature is particularly advantageous for those who appreciate a stable and well-supported surface, allowing you to make the most of your mattress and enjoy a restful night's sleep with consistent support across the entire sleeping surface.

Motion Isolation

The Casper King Size Mattress excels in motion isolation, making it an ideal choice for individuals who share their bed with a partner or those seeking an undisturbed night's sleep. Casper's multi-layered design and high-quality foam work together to absorb and minimize motion transfer. This means that any movement, such as your partner getting in and out of bed or changing positions during the night, is absorbed by the mattress and doesn't create disruptive movements on your side. The outstanding motion isolation ensures that you can enjoy a peaceful and uninterrupted night's sleep, even if your sleep partner is restless.

Cover Fabric Quality

The Casper King Size Mattress features a high-quality cover fabric that enhances both the aesthetics and functionality of the mattress. The cover is crafted with a blend of polyester and recycled materials, reflecting Casper's commitment to sustainability. This fabric is not only eco-friendly but also soft to the touch, providing a comfortable and inviting surface for sleep. Additionally, the cover is designed to be easily removable and machine washable, allowing for effortless maintenance and longevity. Its durable and well-constructed nature ensures that it can withstand regular use and continue to contribute to a good night's sleep while maintaining a fresh and clean appearance.


The Casper King Size Mattress stands out for its durability and long-lasting performance. Casper's commitment to quality materials and meticulous construction ensures that this mattress is designed to withstand the test of time. The use of high-quality foams, including memory foam and support foam, contributes to its resilience, allowing it to maintain its structural integrity over the years. The zoned support layer is strategically placed to reinforce areas prone to wear and tear, further enhancing the mattress's durability. With proper care, the Casper King Size Mattress is poised to provide consistent and reliable comfort for an extended period, making it a sound investment for those seeking a mattress that can stand up to the test of time.

Commitment to Sustainability

Casper exemplifies a strong commitment to sustainability in the mattress industry. Casper places a significant emphasis on eco-conscious practices and materials in the construction of their mattresses. The cover fabric of the mattress is made with a blend of polyester and recycled materials, reflecting their dedication to reducing environmental impact. Furthermore, Casper is known for its efforts to minimize waste and its responsible manufacturing processes. The brand's commitment to sustainability extends beyond just the product itself, with an emphasis on reducing their carbon footprint and contributing to a more eco-friendly world. Whether it's through their choice of materials, manufacturing practices, or overall environmental responsibility, Casper's commitment to sustainability sets a positive example in the mattress industry, making it an environmentally conscious choice for consumers.


Casper typically includes a generous warranty, although specific details may vary. Casper's warranty is a testament to their confidence in the quality and durability of their mattresses. It typically covers manufacturing defects and other issues that may arise during normal use. Casper's commitment to customer satisfaction is evident through their warranty, providing peace of mind to buyers, knowing that their investment is protected. It's advisable to review the specific terms and conditions of the warranty when making your purchase to fully understand the coverage and duration, ensuring that you have a clear understanding of the protection provided by this reputable mattress brand.

Customer Service

Casper's commitment to exceptional customer service is a hallmark of the brand, making it a top choice for those seeking a seamless and pleasant buying experience. Whether you have questions about the product, need assistance with your purchase, or require post-purchase support, Casper's customer-centric approach ensures that you receive prompt and effective assistance. With Casper, you can expect a reliable and pleasant buying journey, ensuring that your sleep investment is met with top-tier service and support. Their dedication to customer satisfaction and accessibility to helpful representatives underscores the brand's commitment to providing a positive and stress-free experience from the moment you start considering a Casper mattress to well after your purchase.


In summary, the Casper King Size Mattress for 2024 is a standout choice for those in search of a well-rounded and eco-conscious sleep solution. Casper's rich history of innovation and commitment to sustainability shine through in this mattress, offering a luxurious blend of comfort and durability. Its multi-layered construction, designed to cater to various sleep preferences, ensures a restful and revitalizing night's sleep. The mattress's excellent motion isolation, edge support, and back support make it a versatile choice for a wide range of sleepers. Additionally, Casper's strong emphasis on sustainability, quality customer service, and dependable warranty further solidify its position as a leading player in the mattress industry. Whether you prioritize eco-friendliness, a peaceful night's sleep, or top-tier customer support, the Casper King Size Mattress delivers on all fronts, making it a highly recommended choice for those looking to elevate their sleep experience.

Where can I find a great, affordable mattress (in 2024)?

If you're searching for an affordable mattress that offers a wide range of comfort and pressure relief, we've compiled a list of mattresses for you to consider:

  1. Saatva Mattress - fantastic for all sleep positions, and is rated our Best Mattress of 2024.
  2. Puffy - feels like you're sleeping on a cool cloud (at a good price).
  3. Ghostbed - beautiful, plush cover w/ aerated latex and healthy spinal alignment.
  4. Winkbeds - 3-stage back relief with free shipping and returns.

Read our short, well-researched 10 Best Mattresses of 2024, here. Our ultimate goal is to help you pick your perfect mattress online, today!




What makes Casper unique?

Casper's unique blend of comfort, support, sustainability, and customer service sets it apart in the mattress industry.

How does Casper regulate sleep temperature?

While not featuring specific cooling technology, Casper's design and choice of materials promote breathability, ensuring a comfortable sleep temperature.

Can Casper help with back pain?

Yes, Casper's dedicated focus on back support makes it an excellent choice for those seeking relief from back pain.

What is Casper's trial period and warranty?

Specific details may vary, but Casper offers a generous trial period and a robust warranty, reflecting their confidence in the product.

Does Casper offer free delivery?

Casper often includes free delivery with their mattress purchases, adding extra value to your investment.

Is Casper environmentally friendly?

Casper's commitment to sustainability and eco-friendly practices makes it a responsible and eco-conscious choice.

How does Casper's pricing compare to other brands?

While pricing may vary, Casper offers excellent value for the quality and features provided.

Can Casper mattresses be used with adjustable bases?

Yes, Casper mattresses are compatible with adjustable bases, providing versatile sleep solutions.

Is Casper's customer service reliable?

Yes, Casper's customer service is known for its reliability and helpfulness, ensuring a seamless buying experience.

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