Best King Size Mattress 14 Inch Medium in 2025

Updated on June 2025
#1
19% Off
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  • Combines memory foam with pocketed coils for balanced comfort and support, helping to alleviate aches and enhance sleep quality.
  • Offers a medium firmness level that accommodates a variety of sleep preferences for a consistent and comfortable experience.
  • Constructed with breathable knit fabric and air-flow foam to enhance ventilation and maintain a cool sleeping environment.
  • Designed with independent pocketed springs that minimize motion transfer, allowing for restful sleep without disturbances from a partner.
  • Includes a 15-year limited warranty and dimensions of 80" x 76" x 14"; vacuum-packed for easy delivery and requires 48-72 hours to fully expand.
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  • Combines memory foam with pocketed coils for balanced comfort and support, helping to alleviate aches and enhance sleep quality.
  • Offers a medium firmness level that accommodates a variety of sleep preferences for a consistent and comfortable experience.
  • Constructed with breathable knit fabric and air-flow foam to enhance ventilation and maintain a cool sleeping environment.
  • Designed with independent pocketed springs that minimize motion transfer, allowing for restful sleep without disturbances from a partner.
  • Includes a 15-year limited warranty and dimensions of 80" x 76" x 14"; vacuum-packed for easy delivery and requires 48-72 hours to fully expand.
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#2
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  • NanoGel memory foam and wave-cut foam enhance breathability by 30%, promoting airflow for a cooler sleep experience.
  • Five foam layers provide superior noise and vibration absorption, ensuring undisturbed sleep and proper spinal alignment while relieving pressure points.
  • Advanced foam technology absorbs odors and moisture, maintaining a dry and hygienic sleeping environment with improved airflow.
  • Quilted with breathable fabric, the CertiPUR-US certified foams and OEKO-TEX certified cover guarantee a safe sleeping environment free from harmful substances.
  • Vacuum-compressed mattress delivers easily in a compact box, designed to fit all king bed frames and requires 72 hours to fully expand.
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  • NanoGel memory foam and wave-cut foam enhance breathability by 30%, promoting airflow for a cooler sleep experience.
  • Five foam layers provide superior noise and vibration absorption, ensuring undisturbed sleep and proper spinal alignment while relieving pressure points.
  • Advanced foam technology absorbs odors and moisture, maintaining a dry and hygienic sleeping environment with improved airflow.
  • Quilted with breathable fabric, the CertiPUR-US certified foams and OEKO-TEX certified cover guarantee a safe sleeping environment free from harmful substances.
  • Vacuum-compressed mattress delivers easily in a compact box, designed to fit all king bed frames and requires 72 hours to fully expand.
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#3
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  • Top layer features breathable knit fabric for enhanced airflow and a cool sleeping experience
  • Independently working individual pocket springs provide ergonomic support tailored to your body's curves
  • King size mattress arrives vacuum-sealed in a box; allow 48-72 hours for it to regain its original shape after unpacking
  • Measures 76" W x 80" D x 14" H, supporting up to 700 lbs; compatible with various bed frames including adjustable and hospital beds
  • Includes a 10-year warranty for assurance and access to customer support for any issues
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  • Top layer features breathable knit fabric for enhanced airflow and a cool sleeping experience
  • Independently working individual pocket springs provide ergonomic support tailored to your body's curves
  • King size mattress arrives vacuum-sealed in a box; allow 48-72 hours for it to regain its original shape after unpacking
  • Measures 76" W x 80" D x 14" H, supporting up to 700 lbs; compatible with various bed frames including adjustable and hospital beds
  • Includes a 10-year warranty for assurance and access to customer support for any issues
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#4
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  • Supports spinal alignment with a robust innerspring system that reduces motion transfer and targeted support.
  • Features plush comfort layers made from high-density foam and breathable materials for enhanced airflow and cool sleep.
  • CertiPUR-US and OEKO-TEX certifications ensure materials are tested for safety and free from harmful substances.
  • Enhanced edge support prevents sagging, maximizing the usable surface area of the mattress.
  • Conveniently compressed for easy setup; allows for quick unboxing and is compatible with standard bed frames.
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  • Supports spinal alignment with a robust innerspring system that reduces motion transfer and targeted support.
  • Features plush comfort layers made from high-density foam and breathable materials for enhanced airflow and cool sleep.
  • CertiPUR-US and OEKO-TEX certifications ensure materials are tested for safety and free from harmful substances.
  • Enhanced edge support prevents sagging, maximizing the usable surface area of the mattress.
  • Conveniently compressed for easy setup; allows for quick unboxing and is compatible with standard bed frames.
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#5
12% Off
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  • Made of gel memory foam and individually pocketed springs for optimal support and comfort, suitable for various sleeping positions and body types.
  • Enhanced edge support with dual wire diameters for better firmness and movement isolation, minimizing disturbances during sleep.
  • Breathable, hypoallergenic knitted fabric maintains a cool and comfortable sleep environment, conforming to the body for added comfort.
  • Meets CertiPUR-US standards, free from harmful substances, ensuring a safe sleeping environment for all users, including pregnant women.
  • King size mattress arrives compressed in a box, equipped with side handles for easy setup, fitting most standard bed frames.
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  • Made of gel memory foam and individually pocketed springs for optimal support and comfort, suitable for various sleeping positions and body types.
  • Enhanced edge support with dual wire diameters for better firmness and movement isolation, minimizing disturbances during sleep.
  • Breathable, hypoallergenic knitted fabric maintains a cool and comfortable sleep environment, conforming to the body for added comfort.
  • Meets CertiPUR-US standards, free from harmful substances, ensuring a safe sleeping environment for all users, including pregnant women.
  • King size mattress arrives compressed in a box, equipped with side handles for easy setup, fitting most standard bed frames.
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#6
23% Off
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  • Made from non-toxic materials; the stretch knit fabric is durable, anti-pilling, and skin-friendly, suitable for pregnant women and children.
  • Ergonomically designed with high-density memory foam and pocketed springs to accommodate various sleeping positions and body types, offering effective pressure relief.
  • Individual pocketed coils reduce noise and motion transfer for undisturbed sleep, ensuring that both partners are not disturbed by each other's movements.
  • Conveniently packaged in a box for easy transport; simply unpack and allow 48-72 hours for full decompression. Compatible with various bed frames and installations.
  • Comes with a 10-year guarantee; customer support available for inquiries and feedback regarding the mattress.
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  • Made from non-toxic materials; the stretch knit fabric is durable, anti-pilling, and skin-friendly, suitable for pregnant women and children.
  • Ergonomically designed with high-density memory foam and pocketed springs to accommodate various sleeping positions and body types, offering effective pressure relief.
  • Individual pocketed coils reduce noise and motion transfer for undisturbed sleep, ensuring that both partners are not disturbed by each other's movements.
  • Conveniently packaged in a box for easy transport; simply unpack and allow 48-72 hours for full decompression. Compatible with various bed frames and installations.
  • Comes with a 10-year guarantee; customer support available for inquiries and feedback regarding the mattress.
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#7
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  • Reduces pain and isolates motion with a hybrid design of springs and foam for better spinal alignment and pressure relief during sleep.
  • Offers a medium-firm feel with a Euro top design and multiple foam layers for comfort, combined with a reinforced pocket spring support system to accommodate various sleep preferences.
  • Constructed from non-toxic, skin-friendly materials with CertiPUR-US and OEKO-TEX certifications, free from fiberglass and compliant with fire safety standards.
  • Features reinforced edge support to prevent sagging and enhance stability, promoting safety and extending the lifespan of the mattress.
  • Sleepmax provides a lifetime warranty and a 365-night trial for every mattress-in-a-box purchase, ensuring commitment to quality and customer support.
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  • Reduces pain and isolates motion with a hybrid design of springs and foam for better spinal alignment and pressure relief during sleep.
  • Offers a medium-firm feel with a Euro top design and multiple foam layers for comfort, combined with a reinforced pocket spring support system to accommodate various sleep preferences.
  • Constructed from non-toxic, skin-friendly materials with CertiPUR-US and OEKO-TEX certifications, free from fiberglass and compliant with fire safety standards.
  • Features reinforced edge support to prevent sagging and enhance stability, promoting safety and extending the lifespan of the mattress.
  • Sleepmax provides a lifetime warranty and a 365-night trial for every mattress-in-a-box purchase, ensuring commitment to quality and customer support.
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#8
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  • Constructed with independent pocket springs and multiple layers of memory foam for optimal support and comfort, adapting to body curves, relieving fatigue, and minimizing soreness during sleep.
  • Enhanced edge support prevents sagging and minimizes motion transfer between partners for a stable sleep surface.
  • Crafted with high-end, breathable fabrics for a soft, silky feel that helps regulate temperature and wick away moisture during the night.
  • Measuring 76"W x 80"D x 14"H and able to support up to 1500 lbs, this mattress is compatible with most King beds and conveniently packaged for easy transport.
  • Includes a 100-night trial and a 10-year warranty, with customer support available for any inquiries or concerns.
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  • Constructed with independent pocket springs and multiple layers of memory foam for optimal support and comfort, adapting to body curves, relieving fatigue, and minimizing soreness during sleep.
  • Enhanced edge support prevents sagging and minimizes motion transfer between partners for a stable sleep surface.
  • Crafted with high-end, breathable fabrics for a soft, silky feel that helps regulate temperature and wick away moisture during the night.
  • Measuring 76"W x 80"D x 14"H and able to support up to 1500 lbs, this mattress is compatible with most King beds and conveniently packaged for easy transport.
  • Includes a 100-night trial and a 10-year warranty, with customer support available for any inquiries or concerns.
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#9
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW 14 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving No Fiberglass CertiPUR-US Certified Mattress in a Box,King
FDW
7% Off
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  • Gel memory foam mattress featuring 3 inches of gel memory foam and 11 inches of high-density support foam for enhanced comfort and spinal alignment.
  • Medium-firm feel providing even support for all body parts; offers a plusher sensation compared to traditional firm mattresses.
  • Complies with CertiPUR-US standards for performance and durability, ensuring quality support and comfort.
  • Washable soft cover for easy maintenance; gel foam helps regulate temperature for a more restful sleep.
  • Comes compressed in a box for easy delivery; suitable for all queen bed frames and recommended to air out for 72 hours after unpacking.
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  • Gel memory foam mattress featuring 3 inches of gel memory foam and 11 inches of high-density support foam for enhanced comfort and spinal alignment.
  • Medium-firm feel providing even support for all body parts; offers a plusher sensation compared to traditional firm mattresses.
  • Complies with CertiPUR-US standards for performance and durability, ensuring quality support and comfort.
  • Washable soft cover for easy maintenance; gel foam helps regulate temperature for a more restful sleep.
  • Comes compressed in a box for easy delivery; suitable for all queen bed frames and recommended to air out for 72 hours after unpacking.
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#10
14% Off
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  • Cooling fabric integrated with graphene technology for optimal temperature regulation during sleep, avoiding harmful chemicals.
  • Advanced memory foam with copper gel infusion to manage moisture and odors, promoting a healthier sleep environment.
  • CertiPUR-US certified and approved by the International Chiropractors Association, ensuring safety and durability for better sleep health.
  • Convenient mattress in a box delivery designed for easy setup; allow 12 hours for full expansion after unboxing.
  • Includes a 10-year limited warranty; U.S.-based customer support available for any defects or delivery issues, but note that opened mattresses are non-returnable.
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  • Cooling fabric integrated with graphene technology for optimal temperature regulation during sleep, avoiding harmful chemicals.
  • Advanced memory foam with copper gel infusion to manage moisture and odors, promoting a healthier sleep environment.
  • CertiPUR-US certified and approved by the International Chiropractors Association, ensuring safety and durability for better sleep health.
  • Convenient mattress in a box delivery designed for easy setup; allow 12 hours for full expansion after unboxing.
  • Includes a 10-year limited warranty; U.S.-based customer support available for any defects or delivery issues, but note that opened mattresses are non-returnable.
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