Best King Mattress On Amazon (2024 Update)

The Memory Foam Mattress is the perfect solution for those in search of a peaceful and uninterrupted sleep. This 12" profile mattress is designed with layers of memory foam that deliver amazing support, pressure relief and comfort. Its plush support system conforms to the body, providing an unparalleled sleeping experience for all types of sleepers.

The Memory Foam Mattress comes in a King Size that measures 75" W x 79" D x 12" H and is compatible with most king bed frames. It is also conveniently shipped in a box, making it easy to unbox, cut the protective wrap, unroll and watch the mattress expand. Customers can enjoy the comfort of this mattress instantly.

The support foam core reduces motion transfer, enabling a peaceful, undisturbed sleep. The mattress is safe to sleep on immediately but may take 72+ hours 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.

The Memory Foam Mattress is manufactured by Ashley Furniture Industries, a trusted source for stylish furniture, lighting, rugs, accessories and mattresses. Customers can buy with confidence knowing they are getting a quality product from a reputable brand.

To complete the setup of this mattress, a bed foundation, box spring and frame are available for purchase separately. With its amazing support, pressure relief and comfort, the Memory Foam Mattress is the perfect choice for anyone looking for a restful night's sleep.

The process of setting up your mattress has never been easier. With just a few simple steps, you can have a comfortable and supportive sleeping surface in no time.

To begin, remove the mattress from its box and place it on your bed frame or foundation. From there, simply watch as it decompresses and expands to its full size. While this process can take a few hours, you can speed it up by jumping, walking, or sleeping on the mattress.

By taking these steps, you can help the materials inside the mattress settle into their proper positions, ensuring a comfortable and supportive sleeping surface for years to come. So why wait? Order your new mattress today and discover the comfort and support you've been missing.

The Sealy Hybrid Mattress in a Box is the perfect solution for those looking for a high-quality mattress that can be delivered straight to their doorstep. With a quick turnaround time of 24 hours, this hybrid mattress is ready to use in no time.

The Sealy Hybrid Mattress is comprised of both innerspring and foam components, providing a unique combination of support and comfort. The fabric-encased coils offer sturdy support, while the adaptive foam conforms to your body for a personalized, soft feel.

One of the standout features of this mattress is the CopperChill fused memory foam, which promotes a cooler and more comfortable sleep experience. This is especially important for those who tend to sleep hot or struggle to regulate their body temperature while sleeping.

The Sealy Hybrid Mattress also features a DuraFlex Coil Edge, which reinforces the perimeter of the mattress for added durability and more sleeping area. This edge also provides a better seating edge when getting in and out of bed.

It's important to note that due to the nature of memory foam, it may take 24-72 hours for the mattress to fully expand to its intended size. This process may be quicker in a warmer room, but colder temperatures may prolong the expansion time.

The Iyee Nature 12 inch King size mattress is an exceptional choice for those looking for a comfortable and breathable sleeping experience. It features a three-layer all-foam system that includes 2.5" gel memory foam, 2" of comfortable layer, and 7.5" high-density base support foam, offering ultimate comfort and support.

Notably, this king size mattress is fiberglass-free, making it a safe choice for individuals and families. The manufacturer prioritizes the health and well-being of its customers, ensuring the use of safe and certified materials. The foam and memory foam materials have been certified by CertiPUR-US and Oeko-Tex Standard 100. These certifications ensure that the mattress is free of harmful substances like formaldehyde, mercury, and other heavy metals.

The Iyee Nature king size mattress boasts a breathable design that incorporates advanced sleep technology. The memory foam promotes continuous airflow, keeping the mattress surface at the ideal sleeping temperature. Additionally, the skin-friendly fabrics adapt to the environment, providing a comfortable and cozy sleeping experience. The no-sink support foams conform to the body, offering optimal pressure relief while reducing motion transfer, ensuring an undisturbed sleep.

The Iyee Nature king size mattress comes with a 10-year warranty, a testament to the manufacturer's confidence in its product. As a manufacturer specializing in the design and production of mattresses, they have a professional production R&D and QC team. The manufacturer advises customers to wait up to 72 hours after opening the mattress for it to return to its king size and eliminate any odor.

When you receive your new mattress, it is important to note that it may take some time to fully expand to its intended size. Generally, it is recommended to allow 24-72 hours for the mattress to regain its full shape. This is especially true for memory foam mattresses, which tend to expand faster in warmer environments. If the temperature is colder, it may take a bit longer for the mattress to expand fully from its compressed state at delivery. It is important to note that the expansion time of the mattress will vary depending on the surrounding environment. By allowing sufficient time for the mattress to expand, you can ensure that you are getting the most comfortable and supportive sleep surface possible.

The S SECRETLAND Individually Wrapped Coils Innerspring Mattress is a high-quality product that offers medium firmness for a comfortable and supportive sleeping experience. The mattress is supported by hundreds of individually pocketed springs, which ensure durability and longevity. The top layer of the mattress is made of memory foam with a 3D soft knitted fabric that provides added comfort and support.

The tempered steel coil system of the S SECRETLAND mattress provides powerful support to each part of the body, including the feet, legs, hips, waist, shoulders, neck, and head. The tightly knit edges and reinforced foam maximize edge support, ensuring that the mattress remains stable and secure throughout the night.

One of the most notable features of the S SECRETLAND mattress is its high permeability. The 3D knitted dual-layer cover allows the mattress to breathe freely, creating a dry and restful sleep environment. Additionally, the coil system permits additional airflow, which further enhances the mattress's breathability.

Safety is a top priority for S SECRETLAND, which is why the mattresses are certified by CertiPUR-US and Oeko-Tex Standard 100. These certifications ensure that the mattress is free of harmful substances like formaldehyde, mercury, and other heavy metals, and that it is safe for use by all sleepers.

The S SECRETLAND mattress comes with a 10-year warranty, providing peace of mind and ensuring that customers can enjoy a high-quality sleeping experience for years to come. The mattress is shipped compressed, rolled, and shipped in a box for easy setup, and the frame, foundation, or base is not included.

Experience Unmatched Comfort – Elevate your sleeping experience with the memory foam mattress designed to provide unparalleled comfort. The memory foam conforms to the body, releasing pressure points and providing the ultimate restful sleep.

Soothing Green Tea Infusion – The memory foam layer is infused with green tea, which has calming properties that help to promote relaxation. The infusion also helps to keep your mattress odor-free, ensuring that you wake up refreshed every day.

Perfectly Balanced Layers – The mattress is designed with three layers that work seamlessly to provide a well-balanced support system. The top memory foam layer, support foam, and high-density foam layers work together to ensure that you enjoy a night of uninterrupted sleep.

Made with Safe Materials – Your safety is our top priority. That is why our mattress is designed with a cotton-based fire retardant that has undergone extensive safety testing. Additionally, we use CertiPUR-US certified foams, and the mattress is covered with a comfort Poly Jacquard fabric cover.

Peace of Mind – We are committed to providing high-quality products at honest prices. As such, our memory foam mattress comes with a 10-year manufacturer's warranty against defects. You can rest easy knowing that you are investing in a quality product that is built to last.

The Novilla King Size Mattress is a top-quality mattress that offers a comfortable and safe sleeping environment. With its four-layer all-foam system, this mattress is highly breathable and cool, ensuring a longer and uninterrupted sleep.

The top layer of the mattress is made of gel-infused memory foam that keeps you cool throughout the night. The egg crate designed foam layer also helps to increase airflow throughout the mattress, promoting breathability. Additionally, the mattress cover is made of bamboo fabrics, which enhances its breathability by 30%.

The Novilla King Size Mattress is specially designed to relieve pains and dampen partner's movements. The mattress includes four different foam layers, with gel memory foam combined with comfort foam to distribute pressure and mold to your body. The two layers of high-density foam help to improve durability, give your body support for proper spinal alignment, resist sagging, and prevent roll-off. This makes it an ideal mattress for couples, as it minimizes disruptions caused by partner's movements.

This mattress is also a safe and healthy choice, as it is made of CertiPUR-US Certified foam, without any harmful off-gassing and substances like formaldehyde, mercury, and other heavy metals. The bed mattress cover uses skin-friendly rayon fabric, which is heavenly soft to the touch.

The Novilla King Size Mattress is easy to set up and fits all kinds of bed frames, even on the floor. It comes rolled and compressed in a box, making it a fun and hassle-free purchase. The mattress is recommended to air out and reshape for 72 hours after delivery.

Novilla offers a 100-day free trial and a 10-year protection for the memory foam mattress king. Their professional customer care team helps to address any dissatisfaction problems you may have, ensuring you can enjoy this mattress without any concerns while you are following your dreams.

Please note that the expansion time of the mattress may vary depending on the surrounding temperature. In cold temperatures, the mattress may take a bit longer to return to full size from its compressed state. It is recommended to allow 24-72 hours for the mattress to regain its full shape.

Investing in the Novilla King Size Mattress is a wise choice, as it offers comfort, support, breathability, and safety. It is a great investment in your sleep and overall health.

The mattress under review is a state-of-the-art sleep solution that is designed to offer you the ultimate sleeping experience. Measuring 76 inches in width, 80 inches in length, and 12 inches in height, this mattress is equipped with the latest sleep technology features that guarantee maximum comfort and support.

With a cool gel memory foam layer, this mattress regulates temperature to ensure you stay comfortable throughout the night. Additionally, it boasts of ventilated egg crate foam layers that enhance breathability, making it the perfect solution for hot sleepers. The high-density base foam layer provides the necessary support for your body, ensuring you wake up refreshed and revitalized.

The mattress comes with a beautifully detailed waterfall edge cover that boasts of a four-way stretch top and charcoal gray knit sides. The cover works with the memory foam to optimize its conforming properties, ensuring you get a customized sleeping experience.

The high-quality memory foam used in this mattress conforms to your body, providing the perfect balance between comfort and support. The porous, open-cell design allows for greater circulation, ensuring you do not overheat during the night. The mattress meets the CertiPUR-US program standards for performance, emissions, and durability, attesting to its quality and performance.

The mattress has a medium-plush feel, making it perfect for anyone who desires a soft yet supportive sleeping surface. It is adjustable base friendly, allowing you to customize your sleeping position to your liking. The manufacturer offers a 10-year warranty, giving you the peace of mind knowing that you are investing in a quality product.

The mattress ships compressed, rolled, and delivered in a box for easy setup. Simply take it out of the box and watch it decompress. You can speed up the process by jumping, walking, or sleeping on it. Please allow 24 to 72 hours for the mattress to regain its full shape, especially when delivered to a cold room.

The Mattress is the perfect solution for anyone who wants to enjoy a comfortable and cool night's sleep. It is designed to offer temperature-regulated sleep, thanks to its unique formula that includes cooling gel and green tea. The enveloping memory foam used in the mattress ensures that you feel comfortable throughout the night, without feeling too hot or too cold.

The Mattress is made up of several layers of foam, including ultra-cooling gel and green tea infused memory foam, soft comfort foam, and durable, high density base foam. These layers work together to provide maximum comfort and support, while also relieving pressure on your body.

The foam used in the Mattress is of the highest quality, and is CertiPUR US Certified for durability, performance, and content. This means that you can trust that the foam is safe and free from harmful chemicals.

Setting up the Mattress is easy. Simply take it out of the box and watch as it decompresses. To speed up the process, you can jump, walk, or sleep on the mattress. Please note that it may take anywhere between 24 to 72 hours for the mattress to regain its full shape, depending on the temperature of the room.

The Mattress is expertly packaged using state-of-the-art technology that allows it to be efficiently compressed into one box. This makes shipping and maneuvering the mattress into your bedroom a breeze. Once you've unboxed and unrolled the mattress, it will expand to its original shape within 72 hours.

You can rest easy knowing that the Mattress is backed by a worry-free 10-year limited warranty. The twin size mattress can support a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs.