Memory Foam Split King Mattresses

Searching for a mattress that combines comfort, cooling, and durability without compromise? The Renanim Firm Cooling Gel Memory Foam Mattress is designed to deliver the perfect balance of support and softness while maintaining a refreshing sleep surface night after night. This thoughtfully crafted mattress features a multi-layered design with cooling gel-infused memory foam that gently adapts to your body. Its feel provides a balanced level of comfort, ideal for a wide variety of sleep preferences. Instead of the “too hard” or “too soft” experience many mattresses offer, this one achieves a comfortable middle ground that works for different positions and styles of sleeping. Cooling is built into every layer, with gel infusion and breathable construction promoting airflow for a consistently fresh sleep environment. No more overheating—just a calm, cool night’s rest. Durability is at the foundation of the Renanim design. A high-density base foam paired with reinforced edges helps the mattress maintain its structure over time, offering reliable performance without premature sagging or collapsing edges. The convenience doesn’t stop there. Delivered compressed in a box, setup is quick and simple—just unbox, unroll, and let the mattress expand. Within hours, it’s ready for years of consistent comfort. Motion isolation further enhances your experience by minimizing movement transfer, allowing both you and your partner to rest undisturbed. Every Renanim mattress is made with CertiPUR-US® certified foams and OEKO-TEX certified textiles, ensuring safety and quality. Backed by a 100-night trial and a 10-year warranty, this mattress is built for confidence, comfort, and long-term value

This mattress features a tight top and a versatile feel that's right in the middle between soft and firm. Designed with a tight top and layers of memory foam, it brings a medium feel to your bedroom. We love that it also boasts a breathable design to keep you cool while you sleep, no matter the season. Plus, it's wrapped in a quilted fabric cover. Because it arrives compressed inside a box, we recommend giving it time to expand to its size. Highlight: It's backed by a 10-year warranty.

Super comfortable. Best night’s sleep that I’ve had in over three months.. Erin. AZ. Mon Jul 06 2026

The 12" medium copper gel-infused premium memory foam mattress combines comfort, vitality, and the benefits of copper with your bedroom. Copper is an essential trace mineral found in the liver, brain, heart, kidneys, and skeletal muscle. It has numerous health benefits and has been known to increase collagen production, energy levels, and iron absorption along with antimicrobial properties. Pairing the model 3 adjustable bed base offers limitless customizable sleep positions. Use the wireless remote to adjust to angles that support each activity you do in bed including reading, watching TV, or even working on a laptop or tablet. Create optimal comfort to alleviate body pains and moderate snoring. Raise your feet above your heart for a zero-gravity position to increase blood circulation, ease stress, and reduce soreness in the body.

Love the bed did not like the mattresses.. Deborah. NC. Mon Jan 23 2023

This 8" mattress has a tight top, edge support, and low-motion transfer, so it's designed to let you stay asleep, even if you or your partner toss and turn. With layers of gel memory foam, this mattress offers a firm feel, so it's great for those who need plenty of support to sleep. It also arrives compressed inside a box, so we recommend giving it time to expand to its full size. Best of all, it's backed by a 10-year manufacturer's warranty. Because this mattress includes a non-removable cover, we recommend adding a topper to retain mattress freshness and mitigate stains.

Create the perfect combination of customization and comfort when you pair the Lucid Comfort Collection deluxe adjustable bed base with the Lucid Comfort Collection 10-inch plush memory foam mattress. The Lucid Comfort Collection deluxe adjustable bed base has deluxe features such as personalized massage settings, antisnore, memory positions, and USB charging stations for your electronics. Control these features with a wireless remote or with voice command with the Bluetooth app. It’s now easier than ever to read, watch TV, or relax in bed. The gel memory foam mattress works in tandem with the base to deliver a comfortable and consistent sleep experience. The premium gel-infused memory foam and pureflow™ ventilated design helps to increase airflow. Upgrade your sleep setup with this Lucid Comfort Collection luxury sleep bundle today.

So comfy!! No complaints, have had it for two years now!. Anonymous. Wed Aug 26 2026

Copper is recognized as an essential mineral with health benefits like increased collagen production, energy levels, and iron absorption. The top layer of 2” Copper Memory Foam has antimicrobial properties that neutralize temperatures and dissipate odors. The 1” layer of Memory Foam prevents motion transfer, while the 2” Support Foam and 7” Flex-Air Channel Base work together to provide reinforced support for a longer-lasting mattress.

We bought a California split king mattress, so far we are happy with the comfort and support it provides. It was delivered along with our base on time.. Anonymous. Fri Jul 26 2024

Made with temperature-controlling properties, the 12” hybrid gel mattress dissipates heat for a comfortable sleep throughout the night. Individually wrapped coils, encased with foam, reinforce the mattress edges to increase the sleep surface of this specialty hybrid mattress.

The 12” hybrid reactive mattress contains a revolutionary foam that provides a buoyant push-back similar to a latex-like material. This top layer, made of 1.7” reactive foam, complements the base layer, offering the support of a firm mattress without being too stiff. Individually wrapped coils encased in foam reinforce the mattress edges to increase the sleep surface. We love that it also boasts a breathable design, moisture-wicking properties, and cooling technology to keep you comfortable while you sleep. Because this mattress arrives compressed inside a box, we recommend giving it time to expand to its full size.

Sink into plush comfort every night. This 12" mattress has a tight top, edge support, and low-motion transfer, so it's designed to let you stay asleep, even if you or your partner toss and turn. Its three layers of gel memory foam offer a plush feel and a breathable, moisture-wicking design that keeps you cool. This mattress includes a non-removable cover to retain mattress freshness and mitigate stains. It also arrives compressed inside a box, so we recommend giving it time to expand to its full size. Best of all, it's backed by a 10-year manufacturer's warranty.

Only had the mattress for a few nights, but so far so good. Very comfortable and wake up feeling refreshed. Amanda. Ooltewah, TN. Sat Feb 15 2025

The Zoned mattress has 4 specialty targeted zones designed for specific regions of the body. Each zone provides the perfect amount of conformity to keep the spine in a neutral position, allowing you to rest easily. The gel-infused foams and Flex-air channel base promotes airflow and flexibility when paired with an adjustable base.

It works for me but is definitely not medium firmness by any means. Very soft.. Kris. Nepean, ON. Fri Jan 16 2026

Finally, you can sleep comfier, cooler, and cleaner on the Cariloha Classic Mattress. The removable mattress cover is dreamy soft and optimally comfortable, as its made of heavenly plush rayon from bamboo. The mattress also relieves pressure and adapts to your body shape, alleviating pressure off the body’s main contour points.

The Cariloha Resort Mattress adapts to your body shape, alleviating pressure off the body's main contour points to ensure a restful night's sleep. Enjoy the same sleep-enhancing benefits of our Classic Bamboo Mattress, just more of it. Two inches more to be exact. Plus, it comes with sleep-enhancing comfort details that make the Resort Bamboo Mattress the mattress of your dreams.

This 14" mattress brings lofty comfort to your bedroom with a plush pillow top. It features a gel memory foam construction that offers a medium firmness. We love that it also boasts a breathable design, moisture-wicking properties, and cooling technology to help keep you comfortable while you sleep, no matter the season. This mattress includes a quilted cover to retain mattress freshness. Because this mattress arrives compressed inside a box, we recommend giving it time to expand to its full size. Highlight: It's backed by a 10-year warranty.