Best Split California King Mattress Only in 2025
Updated on June 2025
#1
Recommended
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- Set includes adjustable bed base and a 12" Copper Infused Medium Firm Memory Foam Mattress.
- Adjustable positions for head and feet help to improve airflow, reduce congestion and indigestion, and relieve lower back pressure.
- Patented edge support provides stability for sitting and a medium-firm sleeping surface.
- Air channel design in the mattress promotes airflow and regulates temperature during sleep.
- Includes a wireless remote for easy customization of sleeping position.
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- Set includes adjustable bed base and a 12" Copper Infused Medium Firm Memory Foam Mattress.
- Adjustable positions for head and feet help to improve airflow, reduce congestion and indigestion, and relieve lower back pressure.
- Patented edge support provides stability for sitting and a medium-firm sleeping surface.
- Air channel design in the mattress promotes airflow and regulates temperature during sleep.
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#2
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- Adaptive Sealy foams provide conforming comfort by evenly distributing body weight across the mattress.
- Soft, knitted fabric cover with moisture-wicking properties to enhance cooling and comfort.
- Antibacterial Surface-Guard Technology helps protect the mattress from allergens and bacteria.
- Sealy mattresses are designed and manufactured in the USA, ensuring quality craftsmanship since 1881.
- Supported by a 10-year limited warranty for added peace of mind.
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- Adaptive Sealy foams provide conforming comfort by evenly distributing body weight across the mattress.
- Soft, knitted fabric cover with moisture-wicking properties to enhance cooling and comfort.
- Antibacterial Surface-Guard Technology helps protect the mattress from allergens and bacteria.
- Sealy mattresses are designed and manufactured in the USA, ensuring quality craftsmanship since 1881.
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#3
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- Simple unboxing process for immediate use with a 120-night comfort guarantee.
- Memory foam infused with cooling gel beads for optimal support and temperature regulation.
- Multi-layer construction with a quilted cover for breathability and structured support.
- Tailored support suitable for all sleeping positions, ensuring comfort and coolness.
- Made with CertiPUR-US certified materials for health and environmental safety.
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- Simple unboxing process for immediate use with a 120-night comfort guarantee.
- Memory foam infused with cooling gel beads for optimal support and temperature regulation.
- Multi-layer construction with a quilted cover for breathability and structured support.
- Tailored support suitable for all sleeping positions, ensuring comfort and coolness.
- Made with CertiPUR-US certified materials for health and environmental safety.
#4
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- Easy setup with a mattress in a box design and a 120-night comfort guarantee for peace of mind.
- Bionic cool gel memory foam provides full-body support, alleviating pressure on shoulders and hips while maintaining a comfortable sleeping temperature.
- Quilted cover features cooling technology and a combination of comfort and foundational foam layers for enhanced support and stability.
- Designed for all sleep positions, offering optimal support, cooling, and airflow whether you sleep on your side, back, or stomach.
- Mattress made from CertiPUR-US certified materials, ensuring a safe and environmentally friendly sleep experience.
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- Easy setup with a mattress in a box design and a 120-night comfort guarantee for peace of mind.
- Bionic cool gel memory foam provides full-body support, alleviating pressure on shoulders and hips while maintaining a comfortable sleeping temperature.
- Quilted cover features cooling technology and a combination of comfort and foundational foam layers for enhanced support and stability.
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#5
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- Adjustable head (up to 75°) and foot (up to 45°) positions improve airways, reduce congestion and snoring, and promote spinal alignment to alleviate back pain.
- Ergonomic remote features include Zero Gravity and Anti-Snore settings, memory position storage, and under-bed lighting for added convenience and personalized comfort.
- Under-bed lighting provides soft illumination at night, while built-in USB ports keep devices charged. Multiple massage modes are available for relaxation and therapy.
- Durable construction supported by a 25-year warranty. The mattress retention system ensures stability, and adjustable legs allow height customization. Designed for user convenience with features like emergency power-down.
- Sleep bundle pairs an adjustable base with a luxury mattress featuring bionic cool gel memory foam. Quilted covers have heat-wicking technology, and the mattresses are CertiPUR-US Certified, free from harmful chemicals.
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- Adjustable head (up to 75°) and foot (up to 45°) positions improve airways, reduce congestion and snoring, and promote spinal alignment to alleviate back pain.
- Ergonomic remote features include Zero Gravity and Anti-Snore settings, memory position storage, and under-bed lighting for added convenience and personalized comfort.
- Under-bed lighting provides soft illumination at night, while built-in USB ports keep devices charged. Multiple massage modes are available for relaxation and therapy.
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#6
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- Adjustable head and foot positions, allowing legs to elevate up to 45 degrees and back up to 60 degrees for improved comfort and proper spine alignment.
- Ergonomic wireless remote control with features including Zero Gravity and Anti-Snore options, plus memory settings for favorite positions and a built-in flashlight.
- Durable adjustable bed frame designed for comfort and support, compatible with cooling gel-infused memory foam mattresses for an enhanced sleep experience.
- Simple setup process—mattress arrives pre-packaged and ready to use, with a 120-night comfort guarantee and a 10-year warranty for added peace of mind.
- Sleep bundle includes adjustable base and soft memory foam mattress, providing pressure relief and support tailored to all sleep positions.
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- Adjustable head and foot positions, allowing legs to elevate up to 45 degrees and back up to 60 degrees for improved comfort and proper spine alignment.
- Ergonomic wireless remote control with features including Zero Gravity and Anti-Snore options, plus memory settings for favorite positions and a built-in flashlight.
- Durable adjustable bed frame designed for comfort and support, compatible with cooling gel-infused memory foam mattresses for an enhanced sleep experience.
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#7
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- Innovative waterproof layer protects against stains, sweat, and spills to maintain mattress cleanliness.
- Soft-touch fabric offers comfort and breathability for a restful sleep experience.
- Deep pocket design ensures a secure fit on most regular mattresses, accommodating active sleepers.
- Ideal for families with kids, pets, and seniors, providing a clean and safe sleep environment.
- Machine washable and dryer safe for easy maintenance and hassle-free cleaning.
- Designed for split California king mattresses only; package includes two waterproof protectors (36" x 84").
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- Innovative waterproof layer protects against stains, sweat, and spills to maintain mattress cleanliness.
- Soft-touch fabric offers comfort and breathability for a restful sleep experience.
- Deep pocket design ensures a secure fit on most regular mattresses, accommodating active sleepers.
- Ideal for families with kids, pets, and seniors, providing a clean and safe sleep environment.
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#8
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- Waterproof TPU membrane prevents damage from spills and bodily fluids
- Soft brushed fabric surface provides comfort and added loft for better sleep
- Durable quilted cover offers long-lasting protection against stains and liquids
- Noiseless design absorbs fluids while allowing air circulation for a cool sleeping environment
- Easy to care for with machine washable fabric, tumble dry on low heat without bleach
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- Waterproof TPU membrane prevents damage from spills and bodily fluids
- Soft brushed fabric surface provides comfort and added loft for better sleep
- Durable quilted cover offers long-lasting protection against stains and liquids
- Noiseless design absorbs fluids while allowing air circulation for a cool sleeping environment
- Easy to care for with machine washable fabric, tumble dry on low heat without bleach
#9
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- Premium plush microfiber filling enhances cushion and breathability for a comfortable sleep experience.
- Reversible design offers a soft touch and improved ventilation, promoting cooler sleep temperatures.
- Fitted sheet style side skirt ensures a secure fit for mattresses up to 16 inches deep.
- Split California King size consists of two California Twin XL mattresses measuring 36"x84" each.
- Machine washable on a gentle cycle with tumble dry on low for easy maintenance.
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- Premium plush microfiber filling enhances cushion and breathability for a comfortable sleep experience.
- Reversible design offers a soft touch and improved ventilation, promoting cooler sleep temperatures.
- Fitted sheet style side skirt ensures a secure fit for mattresses up to 16 inches deep.
- Split California King size consists of two California Twin XL mattresses measuring 36"x84" each.
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#10
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- Ultra-soft microfiber top provides a comfortable touch while ensuring absorbency.
- Incorporates a non-toxic TPU layer for effective waterproof protection against spills and accidents.
- Designed for split California king mattresses with a fitted sheet style that accommodates up to 14-inch deep mattresses.
- Easy to care for, machine washable, and available in various sizes for a perfect fit.
- Backed by a reliable guarantee for quality assurance and customer satisfaction.
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- Ultra-soft microfiber top provides a comfortable touch while ensuring absorbency.
- Incorporates a non-toxic TPU layer for effective waterproof protection against spills and accidents.
- Designed for split California king mattresses with a fitted sheet style that accommodates up to 14-inch deep mattresses.
- Easy to care for, machine washable, and available in various sizes for a perfect fit.
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Bedstory Mattress Queen Size 14 Inch Hybrid Firm
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![Queen Size Mattress [Upgraded Strengthen], 14 Inch Gel Memory Foam Hybrid Queen Mattress in a Box with Independent Pocket Spring, Extra Edge Support, Medium Firm, Back Pain Pressure Relief](https://m.media-amazon.com/images/I/41ISMZt9neL._SL320_.jpg)
![Queen Size Mattress [Upgraded Strengthen], 14 Inch Gel Memory Foam Hybrid Queen Mattress in a Box with Independent Pocket Spring, Extra Edge Support, Medium Firm, Back Pain Pressure Relief](https://m.media-amazon.com/images/I/51yfxFLKi+L._SL320_.jpg)
![Queen Size Mattress [Upgraded Strengthen], 14 Inch Gel Memory Foam Hybrid Queen Mattress in a Box with Independent Pocket Spring, Extra Edge Support, Medium Firm, Back Pain Pressure Relief](https://m.media-amazon.com/images/I/51aK+DdPWQL._SL320_.jpg)
![Queen Size Mattress [Upgraded Strengthen], 14 Inch Gel Memory Foam Hybrid Queen Mattress in a Box with Independent Pocket Spring, Extra Edge Support, Medium Firm, Back Pain Pressure Relief](https://m.media-amazon.com/images/I/41h4VWSX3FL._SL320_.jpg)
Full Size Mattress 12 Inches
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![ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], Full, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/51lmtTd04IL._SL320_.jpg)
![ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], Full, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/21Xoxbjid2L._SL320_.jpg)
![ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], Full, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/41NWbDlrBBL._SL320_.jpg)
![ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], Full, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/51qnhzerntL._SL320_.jpg)
Twin Mattresses For Daybeds
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![ZINUS 6 Inch Foam and Spring Hybrid Mattress [New Version], Twin, Medium Firmness, Durable Support, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/41ux+87BAmL._SL320_.jpg)
![ZINUS 6 Inch Foam and Spring Hybrid Mattress [New Version], Twin, Medium Firmness, Durable Support, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/41BHCsXmMuL._SL320_.jpg)
![ZINUS 6 Inch Foam and Spring Hybrid Mattress [New Version], Twin, Medium Firmness, Durable Support, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/41POxsENSfL._SL320_.jpg)
![ZINUS 6 Inch Foam and Spring Hybrid Mattress [New Version], Twin, Medium Firmness, Durable Support, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/51S9CPHKYOL._SL320_.jpg)
![ZINUS 5 Inch Green Tea Memory Foam Mattress [New Version], Twin, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/51DLjzu2a8L._SL320_.jpg)
![ZINUS 5 Inch Green Tea Memory Foam Mattress [New Version], Twin, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/21MEyQzo8jL._SL320_.jpg)
![ZINUS 5 Inch Green Tea Memory Foam Mattress [New Version], Twin, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/411NAQfWafL._SL320_.jpg)
![ZINUS 5 Inch Cooling Essential Memory Foam Mattress [New Version], Twin, Fiberglass Free, Medium Feel, Cooling Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/51yB8-eFBcL._SL320_.jpg)
![ZINUS 5 Inch Cooling Essential Memory Foam Mattress [New Version], Twin, Fiberglass Free, Medium Feel, Cooling Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/21PSufa3qLL._SL320_.jpg)
![ZINUS 5 Inch Cooling Essential Memory Foam Mattress [New Version], Twin, Fiberglass Free, Medium Feel, Cooling Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/51Fgyvir-XL._SL320_.jpg)
![ZINUS 5 Inch Cooling Essential Memory Foam Mattress [New Version], Twin, Fiberglass Free, Medium Feel, Cooling Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box](https://m.media-amazon.com/images/I/41H+33DEbgL._SL320_.jpg)