Best Full XL Mattresses of 2024: Our Expert-Tested Top Picks

The Helix Midnight Mattress is designed with a medium feel, making it an excellent choice for couples with differing sleep preferences. Its layers are tailored to cushion pressure points, offering relief to your shoulders and hips for enhanced comfort. The mattress's side sleeper support is ideal for those who sleep on their sides or frequently change positions during the night, thanks to its middle layers that adapt to your body's contours. Additionally, you can choose between the Breathe Knit cover or the GlacioTex™ Cooling Pillow Top, both engineered to pull heat away from your body, ensuring a cool and comfortable night's sleep.

The mattress features a super soft, cooling, and naturally breathable TENCEL™ cover, or the option for a silky GlacioTex™ Cooling Cover that draws heat away instantly. Its built-in premium quilted pillow top adds an extra layer of comfort. Enhanced comfort layers provide tailored pressure relief and targeted ergonomic support, while targeted zoned lumbar support helps with spine alignment and back pressure relief.

The Layla Memory Foam Mattress stands out due to its innovative use of copper-infused foam, providing variable support that adjusts to pressure points for enhanced comfort. This copper foam not only offers superior support but also promotes cooler sleep by efficiently conducting heat away from your body. The antimicrobial properties of copper help maintain a cleaner sleeping environment, making the mattress more hygienic and fresh over time.

Additionally, the mattress features excellent motion transfer control, ensuring minimal disturbance from a sleeping partner's movements. One of its most unique attributes is its flippable design, offering both a soft and firm side to accommodate different sleep preferences. This versatility makes it particularly appealing to a wide range of sleepers, from side to back and stomach sleepers.

The Birch Luxe Natural Mattress offers a premium sleep experience with its use of organic cashmere and breathable comfort layers. Certified by GOTS and GREENGUARD Gold, it is made with responsibly sourced natural and organic materials, ensuring luxury and sustainability. The mattress features a quilted organic cotton Euro top, three organic cashmere and wool comfort layers, and zoned lumbar support for enhanced contouring, making it suitable for all sleeping positions.

This medium-firm mattress is designed for excellent breathability and temperature regulation, utilizing a plush cotton cover, ultra-fine cashmere, naturally hygroscopic wool, and latex for increased airflow. The Birch Luxe Natural Mattress provides luxurious comfort with its organic and natural components, while also offering in-home setup and removal services for added convenience. Its full edge support ensures structure throughout the mattress, keeping sleepers securely in bed.

The Brooklyn Bedding Signature Hybrid Mattress combines high-quality foams and individually encased coils to deliver superior pressure relief and contouring comfort. Its Supreme Response Comfort Foam and VariFlex™ transition foam offer buoyancy, breathability, and exceptional comfort, while the independently moving coils provide targeted support and motion isolation. This mattress is available in three comfort levels—soft, medium, and firm—catering to various sleep preferences. An optional Cozy-as-a-Cloud Cooling Pillow Top further enhances the comfort by adding cooling technology and extra contouring.

Designed for durability, the high-density foam layers and premium steel coils are crafted in-house, ensuring both cost control and quality. This hybrid mattress is shipped directly to your door, eliminating middleman costs and providing excellent value. The Brooklyn Bedding Signature Hybrid Mattress is built with the highest oversight for long-lasting quality, making it a reliable choice for a comfortable sleep experience.

The Titan Plus Mattress is designed specifically for heavy sleepers, offering firm and high-density foam layers that provide optimal support and pressure relief. Its robust construction includes a core of up to 900 individually encased TitanCore coils made from 100% steel, ensuring long-lasting durability, edge support, and excellent motion isolation. The mattress also features a gel-infused top foam layer that draws heat away from the body, enhancing cooling comfort for an undisturbed sleep. For even more cooling, an optional GlacioTex™ Cooling Cover is available.

The Titan Plus Mattress prioritizes firm support and breathability, with high-density foams and open-cell technology that prevent sagging while maintaining a cool and dry sleep environment. The quilted top with gel foam offers immediate responsiveness and optimal thermal regulation, while the TitanFlex™ layer delivers responsive contouring and pressure point relief. This mattress is backed by a 10-year warranty, reflecting its commitment to long-lasting comfort and support for plus-size sleepers.

The Nolah Original 10 Mattress delivers exceptional comfort and support with its innovative design and high-quality materials. Featuring a medium-firmness feel, it offers gentle contouring and soothing pressure relief, making it ideal for side sleepers. The mattress includes breathable layers of resilient foam and a Tencel™ cover that wicks moisture, ensuring a cool and comfortable sleep environment. Its zoned AirFoam™ provides targeted flexibility and firmness, with added softness around the shoulders and firmer support for the lumbar and hip areas.

Designed and assembled in the U.S.A., the Nolah Original 10 is both GREENGUARD Gold and CertiPUR-US® certified, reflecting its commitment to safety and sustainability. The mattress's 10-inch thickness and all-foam hybrid option make it versatile and affordable. The Tencel™ cover enhances the overall comfort with its ultra-soft, breathable, and temperature-regulating properties, while the perforated AirFoam™ layer ensures optimal pressure relief for side sleepers.

The Brooklyn Bedding Aurora Luxe Mattress is designed with advanced cooling technology to ensure a comfortable night's sleep. Its GlacioTex™ Cooling Cover utilizes cool tech fibers that remove excess heat from the sleep surface, preventing overheating. The top comfort layer is infused with cooling fibers, a clinically proven method to absorb and release heat as needed. The mattress also features a hybrid design with open cell technology in both the foam layers and inner coils, promoting optimal airflow and breathability.

This premium mattress offers customizable firmness levels—soft, medium, or firm—to suit individual sleep preferences. The cozy-as-a-cloud pillow top adds a dual layer of foam for ultimate contouring and pressure point relief. Individually encased coils provide support and superior motion isolation, while the high-density foam layers and premium steel coils ensure durability. Handcrafted in Arizona, the Brooklyn Bedding Aurora Luxe Mattress combines luxurious comfort with innovative cooling features.

The SONU Sleep System is the world's first mattress designed specifically for side sleepers, featuring a patented Comfort Channel and Support Pillow system. This unique design allows your arms and shoulders to fully immerse into the bed, reducing pressures that are unavoidable with traditional mattresses. The result is unparalleled comfort and a relieving sleeping experience that adapts to each sleeper's desired position. The mattress is constructed from 26 pieces of premium high-resilience CertiPUR-US® certified foams, ensuring durability and ideal support.

The SONU Sleep System also includes a cooling cover woven with phase change material (PCM) to regulate temperatures throughout the night. The adjustable head and neck layers provide customizable height for perfect neck alignment, while the sink-in support system levels the spine for balanced comfort. Available in two different firmness levels, plush and firm, the SONU Sleep System offers a tailored sleep experience for all side sleepers.

The Bear Elite Hybrid Mattress offers a luxurious sleep experience with its advanced cooling technology and five-zone support coil system. This 14" innerspring mattress features phase change material (PCM) that absorbs body heat, paired with breathable Celliant® fiber to keep you cool throughout the night. The copper-infused memory foam enhances cooling and provides an antimicrobial environment, ensuring a clean and comfortable sleep. The mattress also includes a strong support system with individually encased coils that conform to your body’s curves, providing exceptional support and minimizing motion transfer.

The zoned coil system in the Bear Elite Hybrid provides targeted support for specific pressure points, offering up to four times the relief with added lumbar support where it's needed most. The high-density support foam and reinforced edge coils ensure the mattress's durability and overall integrity. With three firmness options—soft, medium, and firm—this mattress caters to a wide range of sleep preferences, making it ideal for combination sleepers who shift positions throughout the night.

The Helix Kids Mattress is designed specifically for growing children, featuring a unique 2-sided design with a firmer side for younger kids and a softer side for older kids. This 8" hybrid mattress incorporates 6" innersprings and custom foam layers to provide the perfect balance of safety, comfort, support, and durability. The hypoallergenic TENCEL® cover is breathable and treated with a water-repellent finish and AEGIS® Microbe Shield to combat odor-causing bacteria, ensuring a clean and healthy sleep environment.

Certified by GREENGUARD Gold and CertiPUR-US®, the Helix Kids Mattress guarantees a safe sleep environment free from harmful chemicals. The mattress also features a plant-based, durable water-repellent finish and a fire retardant fiber blend for added safety. With a responsive foam layer for spinal support, individually wrapped coils for motion isolation, and a plush gel memory foam layer for pressure relief, this mattress is designed to meet the evolving needs of growing children.