Top 60+ Stunning Best King Mattress Under 400 Most Outstanding In 2023

When it comes to finding the best king mattress under 400, the Zinus Ultima Comfort Memory Foam Mattress is a top contender. This mattress combines the comfort and support of memory foam with the affordability of a budget-friendly price tag. Its 12-inch thickness provides ample cushioning for a restful night's sleep, while the CertiPUR-US certified foam ensures safety and durability.

The Zinus Ultima Comfort Memory Foam Mattress also comes with a 10-year warranty, giving you peace of mind for the long run. Its innovative design includes a top layer of memory foam, a middle layer of pressure-relieving comfort foam, and a high-density base support foam for ultimate spinal alignment. This mattress is perfect for those who prefer a medium-firm feel and want to wake up feeling refreshed and well-rested.

For a budget-friendly option that combines the benefits of both memory foam and innerspring mattresses, look no further than the Linenspa Memory Foam and Innerspring Hybrid Mattress. This 8-inch mattress features a layer of memory foam quilted in a soft, knit fabric cover for added comfort and support.

The innerspring coils provide extra support and help to distribute weight evenly, while the memory foam layer conforms to your body for a customized sleeping experience. The Linenspa Memory Foam and Innerspring Hybrid Mattress is also CertiPUR-US certified and comes with a 10-year warranty, making it a reliable and affordable choice for a good night's sleep.

If you tend to sleep hot, the Classic Brands Cool Gel Memory Foam Mattress might be the perfect fit for you. This 10.5-inch mattress features a layer of cool gel memory foam that helps regulate body temperature and keeps you cool throughout the night. The gel-infused foam also provides pressure relief and contours to your body for optimal support.

The Classic Brands Cool Gel Memory Foam Mattress is also hypoallergenic and resistant to allergens, mold, bacteria, and dust mites. It comes with a 10-year warranty and is available in different thickness options to suit your preferences.

The Signature Sleep Contour Encased Coil Mattress offers the best of both worlds with its combination of memory foam and encased coils. The top layer of memory foam provides pressure relief and contours to your body, while the encased coils offer support and minimize motion transfer for a peaceful night's sleep.

This 8-inch mattress is also CertiPUR-US certified and features a soft, knit fabric cover. Its medium-firm feel makes it suitable for all sleep positions, and its affordable price makes it a favorite among budget-conscious shoppers.

For those who prefer a thicker mattress with added support, the Olee Sleep 13 inch Galaxy Hybrid Gel Infused Memory Foam and Pocket Spring Mattress is a top choice. This mattress features a 5-layer design that includes gel-infused memory foam, high-density foam, and pocketed coils for ultimate comfort and support.

The gel-infused memory foam helps regulate body temperature and provides pressure relief, while the pocketed coils offer targeted support and minimize motion transfer for uninterrupted sleep. This mattress is also CertiPUR-US certified and comes with a 10-year warranty, making it a reliable and durable option.

The Lucid 10 inch Gel Memory Foam Mattress is another top contender for the best king mattress under 400. This mattress features a high-density foam base layer, a comfort layer of gel-infused memory foam, and a top layer of ventilated gel memory foam for added breathability and support.

The gel-infused memory foam helps regulate body temperature, while the ventilated design promotes air circulation for a cooler and more comfortable sleep. The Lucid 10 inch Gel Memory Foam Mattress is also CertiPUR-US certified and comes with a 10-year warranty, making it a budget-friendly and reliable choice for a good night's rest.

For a luxurious and comfortable sleep experience, the Modway Aveline 10 inch Gel Infused Memory Foam Mattress is a top choice. This mattress features a 2.5-inch layer of gel-infused memory foam, a 7.5-inch layer of high-density foam, and a soft, knit fabric cover for added comfort and support.

The gel-infused memory foam not only provides pressure relief and contours to your body, but it also helps regulate body temperature for a cooler and more comfortable sleep. The Modway Aveline 10 inch Gel Infused Memory Foam Mattress is also CertiPUR-US certified and comes with a 10-year warranty.

The Ashley Furniture Signature Design 12 inch Chime Express Hybrid Innerspring Mattress is another great option for those who prefer the support of innerspring mattresses but also want the comfort of memory foam. This mattress features a layer of memory foam quilted in a soft, knit fabric cover, and a layer of pocketed coils for added support and motion isolation.

The Chime Express Hybrid Innerspring Mattress also comes with a hypoallergenic cover and is CertiPUR-US certified. Its 12-inch thickness and medium-firm feel make it suitable for all sleep positions, and its affordable price makes it a top pick for the best king mattress under 400.

The Sweetnight 12 inch Gel Memory Foam Mattress offers a unique flippable design, with one side featuring a medium-firm feel and the other side a medium-soft feel. This mattress features a high-density foam base layer, a comfort layer of gel-infused memory foam, and a top layer of ventilated comfort foam for added breathability and support.

The gel-infused memory foam helps regulate body temperature, while the ventilated design promotes air circulation for a cooler and more comfortable sleep. The Sweetnight 12 inch Gel Memory Foam Mattress is also CertiPUR-US certified and comes with a 10-year warranty for added peace of mind.

Last but not least, the Live and Sleep Resort Ultra King Size Gel Memory Foam Mattress is a top choice for those looking for a premium sleeping experience without breaking the bank. This mattress features three layers, including a high-density foam base layer, a comfort layer of gel-infused memory foam, and a top layer of air-infused memory foam for added ventilation and support.

The gel-infused memory foam helps regulate body temperature, while the air-infused foam adds extra cushioning and support. The Live and Sleep Resort Ultra King Size Gel Memory Foam Mattress is also CertiPUR-US certified and comes with a 20-year warranty, making it a long-lasting and comfortable investment for a good night's sleep.