Best Cal King Mattress To Buy (2024 Update)

The mattress being reviewed requires 24-72 hours to fully expand after being removed from the box. It is important to note that warmer room temperatures can aid in the expansion process. Setup is simple, just remove the mattress from the box and allow it to decompress. For those who want to speed up the process, jumping, walking, and sleeping on the mattress can help.

The mattress is composed of four premium foam layers, including two gel memory foam layers and two support foam layers. The gel memory foam layers have a total thickness of 5 inches, with 2 inches of gel memory foam atop 3 inches of gel comfort foam. This combination provides exceptional breathability and pressure relief, ensuring maximum comfort during use.

The mattress also features a supportive foam core that is 7 inches thick. This core is comprised of two 3.5-inch textured high-density base foam layers, which offer excellent support, pressure point relief, and proper spinal alignment. These features work together to ensure a comfortable and restful night's sleep.

The Suiforlun 14 inch hybrid mattress is the perfect combination of firm support and body-conforming comfort, designed to provide an optimal sleep experience to its users. The individually encased coils offer a firm support, while the gel memory foam provides body-conforming comfort. The Euro top layer adds extra cushion and pressure relief, making it particularly beneficial for people with lower back pain.

It also features a bamboo fabric cover that is not only superior soft and smooth, but also breathable, creating a luxurious sleeping surface. The 3D mesh fabric sides promote more airflow throughout the mattress, preventing heat from getting trapped, resulting in a cool and comfortable night's sleep with less tossing and turning.

The mattress comprises of five layers of foam, including a top layer of gel memory foam that conforms to the curves of the body and keeps the sleeper at a comfortable temperature. The subsequent layers include comfort foam that relieves pressure points, and three layers of memory foam, high-density foam, and comfort foam that provides extra contouring and deep down support. This combination of layers ensures that the sleeper is comfortable and wakes up feeling energized on this medium firm hybrid mattress.

Furthermore, the mattress features zoned pocket coils that offer full body support. The 8.5-inch support core of 952 pocket springs ensures that every inch of the body gets exactly the right levels of support. Each coil responds to the body's movement separately, which reduces motion transfer and prevents roll-together. The reinforced perimeter provides solid edge support and increased durability, allowing the sleeper to relax into a restorative sleep.

The Suiforlun 14 inch Cal King mattress is compressed, rolled and shipped in a box conveniently to the buyer's door, and takes up to 72 hours to fully expand. The foam is CertiPUR-US certified, and the fabric cover is OEKO-TEX certified, making it safe and environmentally friendly. The mattress also comes with a 120-night trial and worry-free 10-year limited warranty, allowing buyers to purchase it with confidence.

When it comes to getting a good night's sleep, the right mattress can make all the difference. That's why this mattress is such a great choice for anyone who wants to wake up feeling refreshed and rejuvenated every morning.

One of the key features of this mattress is its I-gel foam particles. These tiny particles are embedded in the memory foam, which helps to keep the mattress cool and comfortable throughout the night. This is especially important for those who tend to sleep hot or who live in warmer climates.

Another important feature of this mattress is the convoluted foam layer. This layer provides better ventilation and helps to disperse body pressure, which can help to reduce tossing and turning and promote a more restful sleep.

In addition to these features, the mattress also has a high density (HD) foam layer that provides proper support for your back. This is essential for maintaining good posture and reducing the risk of back pain or other issues.

The mattress also comes with a best-in-class Poly Jacquard cover that not only looks great but also helps to protect the mattress and keep it clean. The cover is easy to remove and machine washable, making it easy to keep your mattress looking and feeling like new for years to come.

The Lucid Bamboo Charcoal and Aloe Vera Hybrid Mattress is a medium-plush mattress that is designed to provide optimal support and comfort for all sleep positions. It features a combination of bamboo charcoal memory foam, aloe vera foam, encased pocket coils, and base foam to deliver a relaxing and rejuvenating sleep experience.

The mattress is CertiPUR-US certified and free from harmful chemicals, ensuring that you can sleep comfortably and safely. The 2 inches of bamboo charcoal memory foam helps to eliminate odors and pull moisture away from the skin, resulting in a hypoallergenic bed that is ideal for those with sensitive skin. The aloe vera-infused foam creates a calming sleep environment that promotes daily freshness, making it perfect for those who are looking for a refreshing night's sleep.

The encased pocket coils are designed to provide maximum support and motion isolation, ensuring that you can move without disturbing your partner. Additionally, the mattress is constructed with a sturdy bed frame that effectively supports your body and back, making it ideal for individuals who suffer from back pain.

The Lucid Bamboo Charcoal and Aloe Vera Hybrid Mattress is compressed, rolled, and shipped in one box for easy delivery and setup. It is recommended to allow 24-72 hours for the mattress to regain its full shape, although the expansion time may vary depending on the surrounding temperature. In colder temperatures, the mattress may take a bit longer to return to its full size.

Experience the soft and responsive sink-in feeling of memory foam with this mattress. The memory foam conforms to the curves of your body without leaving any indentations. It is a perfect combination of comfort and support that will give you a relaxing and rejuvenating sleep experience.

The Quad Layers 12-Inch Memory Foam Mattress from Dynasty Mattress is a top-of-the-line bedding option that offers ultimate comfort and support for a good night's sleep. This mattress boasts four distinct layers that work together to create a sleeping surface that is both comfortable and durable. The first layer is a 1.5-inch high-quality gel memory foam layer infused with 5lbs of gel. This layer conforms to the body's shape and provides pressure relief for a comfortable sleep.

The second layer is a 1.5-inch high-density luxury memory foam layer that offers extra support and comfort. This layer is designed to prevent sagging and provide a comfortable sleeping experience for all types of sleepers. The third layer is a 2-inch latex layer that maintains the consistency of the mattress for extended periods. The final layer is a 7-inch strong foam base layer that provides a durable foundation for the mattress, extending its lifetime.

The mattress is topped with a luxurious cover that features a white and dark grey color scheme, giving it a modern and sleek look. The cover is fire-resistant and features an easy zipper, making it machine washable and adjustable bed friendly.

This mattress is designed to offer medium-firm body support, making it suitable for side sleepers, back sleepers, and stomach sleepers. It is designed to promote a refreshing and energizing sleep, so you wake up feeling revitalized and ready to take on the day.

Dynasty Mattress has been manufacturing mattresses and adjustable bases for over 13 years, making them a trusted and reputable brand. Their Quad Layers 12-Inch Memory Foam Mattress is comparable to other name brands, offering quality and luxury at an affordable price.

The mattress comes with free standard shipping, which takes between 1-5 business days. It is vacuum-sealed and packed for easy and convenient setup upon arrival. It also comes with a 30-year limited warranty, ensuring that you can enjoy a comfortable and restful sleep for years to come.

Experience the comfort and support you’ve always wanted with this Memory Foam Mattress. Designed to provide a sound sleep, this mattress contours to your body, delivering amazing support, pressure relief, and comfort. With a 12-inch profile, it is composed of layers of memory foam that offer a comfortable feel while providing support and pressure relief. The support foam core also reduces motion transfer to ensure you have a peaceful, undisturbed sleep.

This mattress is perfect for all types of sleepers, with thick layers of memory foam that contour to your body and provide plush support. It comes in a California King size, measuring 71 inches in width, 83 inches in depth, and 12 inches in height, making it compatible with most California King bed frames. Please note that the bed foundation, box spring, and frame are available for purchase separately.

This Memory Foam Mattress is designed for instant enjoyment, arriving in a box that you can easily unbox, cut the protective wrap, unroll, and watch it expand. It is safe to sleep on immediately, but it may take 72 hours or more for any residual odors from packaging to dissipate, and for the mattress to completely expand based on ambient room temperature, humidity, air pressure, and ventilation.

You can buy this mattress with confidence, as it is designed and manufactured by Ashley Furniture Industries, a trusted source for stylish furniture, lighting, rugs, accessories, and mattresses for every taste and budget. Get the good night’s sleep you deserve with this Memory Foam Mattress.

The California King Size Cool Memory Foam Mattress is designed to provide optimal comfort and support for a restful night's sleep. It boasts a triple layer design that includes a soft knit cover, medium firm support, and responsive pressure relief, making it suitable for any sleep position.

One of the standout features of this mattress is its cooling comfort. The cooling gel foam and airflow channel work together to enhance breathability, ensuring that you stay cool and comfortable throughout the night. This is especially beneficial for those who tend to overheat while sleeping.

The Marley mattress is also designed to provide support for every sleeper. Whether you prefer to sleep on your stomach, back, or side, you can find motion isolation, edge support, and breathable comfort with this eco-conscious Sleep Innovations memory foam bed.

Quality is of utmost importance when it comes to this mattress. It is made in the USA and Mexico, and all of the memory foam mattresses, mattress toppers, and pillows are hypoallergenic and CertiPUR-US certified. This ensures that you are getting high-quality materials that are safe and healthy to sleep on.

Sleep Innovations is committed to delivering great sleep to its customers. They invented the memory foam bed in a box and continue to innovate with foams and fabrics to provide sleep restoration. The California King bed mattress comes with a 10-year warranty, giving you peace of mind for years to come.

Experience a luxurious and comfortable sleep with the Plush Feel Mattress by Lechepus. This Euro Top hybrid mattress is designed with a combination of 5 layers of foam and individual springs to provide exceptional support and comfort for a restful sleep.

The MDI memory foam easily conforms to your body, providing a comfortable position for every inch of your body weight, while the two layers of high thickness ultra-soft foam give you the feeling of being on a cloud, making it easy for you to fall asleep.

The mattress comes with a premium quality knitted double layer cover that is skin-friendly and breathable. It has an OEKO-TEX standard 100 certificate, ensuring the health of you and your family, so you can really rest easy at night.

Enjoy uninterrupted sleep with the motion isolation feature of the Lechepus 14 inch Twin mattress. Constructed with Pocket innerspring mattress, each coil rebounds independently, providing continuous support for spinal alignment, relieving pressure, and helping people with back pain and tossing and turning.

Ease of installation is also taken care of with the easy set and mattress in a box feature. Each mattress is compressed and boxed, making it easy for you to move through narrow hallways and staircases by yourself. The Lechepus mattress fits all frames, such as box spring, floor, slatted base, flat platform or adjustable bed.

Lechepus is confident in the quality and comfort of their product that they offer a 10-year warranty and a 100-night trial, so you can buy without any risk. As a mattress manufacturer, they have a professional production and design R&D team that ensures the mattress you buy is of premium quality and comfort. If you have any questions, their customer service team is always ready to assist you.

Get ready for a night of peaceful and comfortable sleep with the Plush Feel Mattress by Lechepus.

Experience Unmatched Comfort – You can now enjoy a luxurious sleep experience with the ultra-comfortable memory foam mattress. This mattress is designed to provide the ultimate comfort and rest that your body deserves by conforming to your body shape and relieving pressure points.

Calming Benefits of Green Tea – The memory foam layer of this mattress is infused with green tea, which is scientifically proven to provide calming benefits. It also helps in maintaining a refreshing odor, ensuring that you wake up rejuvenated every morning.

Perfectly Balanced Layers – This mattress features a layered design that ensures perfect harmony between the top memory foam layer, the support foam layer, and the high-density foam layer. These layers work in tandem to provide a well-balanced support system for a peaceful night's sleep.

High-Quality Materials – The mattress is made with only the highest quality materials, including a cotton-based fire retardant that has been thoroughly tested for safety. Additionally, the foams used in the mattress are CertiPUR-US certified, and the comfort Poly Jacquard fabric cover provides both durability and comfort.

Reliable Warranty – The manufacturer of this mattress is committed to providing high-quality products at honest prices. This mattress comes with a 10-year warranty against defects, giving you peace of mind knowing that you are investing in a product that is built to last.

Experience a perfect combination of comfort and therapeutic support with Lull's three-layer mattress, made with top quality memory foam. Regardless of your preferred sleeping position, each layer of foam works together to provide you with an enjoyable night's sleep. This mattress cradles and supports your body, promoting healthy spinal alignment while you rest.

The top layer of Lull's mattress features a 1.5" viscoelastic memory foam infused with gel polymer injection, making it breathable for relaxed comfort. This design helps transfer heat away from your body by dispersing it throughout the mattress. The breathable fibers and open cell foam structure of this mattress also promote improved airflow to keep you cool throughout the night.

With Lull's Memory Foam Mattress, there's no need to rent a truck to get your mattress home from the store. It ships directly to your door in a polybagged, air-sealed package that expands when opened for a simple set-up.

The 7" core support layer of Lull's mattress is made of high-quality polyurethane foam that stays supportive and adds strength, durability, and structure to the mattress to prevent sagging. You can be confident that Lull uses only the best foams to ensure that your mattress provides an exceptional sleep experience for years to come.

Lull is so confident in their memory foam mattress that it comes with a lifetime warranty and a 100-night trial. After rigorous independent testing, they are sure that their mattress will provide you with years of comfortable and restful sleep. If for any reason you're not satisfied with your purchase, Lull offers free returns within 100 days of receipt of shipment for all mattresses purchased on Amazon.

Invest in a comfortable and durable mattress with Lull's Memory Foam Mattress.