The Nectar Sleep Mattress is a top contender for the best king size mattress in a box for 2024. This mattress offers a medium-firm feel and is designed with five layers of high-quality foam for maximum comfort and support. The top layer is made of gel-infused memory foam, which helps regulate body temperature and provides pressure relief. This is followed by a layer of adaptive foam, which contours to your body and helps distribute weight evenly. The next layer is made of transitional foam, which provides additional support and helps with motion isolation. The fourth layer is made of high-density foam, which adds durability and stability to the mattress. Finally, the bottom layer is made of a breathable base layer, which helps with air circulation and keeps the mattress cool.1. Nectar Sleep Mattress
The Casper Original Mattress is another top choice for a king size mattress in a box. This mattress is designed with three layers of foam, including a top layer of open-cell foam, a middle layer of memory foam, and a bottom layer of high-density foam. The open-cell foam helps with temperature regulation and breathability, while the memory foam provides pressure relief and contouring support. The high-density foam adds durability and stability to the mattress. What sets the Casper Original Mattress apart is its zoned support technology, which provides targeted support to different areas of the body for optimal comfort and spinal alignment.2. Casper Original Mattress
The Tuft & Needle Original Mattress is a budget-friendly option for those looking for a high-quality king size mattress in a box. This mattress is made with two layers of foam, including a top layer of Tuft & Needle's proprietary Adaptive Foam and a bottom layer of support foam. The Adaptive Foam is designed to provide pressure relief and contour to your body's shape, while the support foam adds stability and support. The Tuft & Needle Original Mattress also has a breathable cover made of a blend of polyester and rayon, which helps with temperature regulation and moisture-wicking.3. Tuft & Needle Original Mattress
The Purple Mattress is a unique option for those looking for a king size mattress in a box. This mattress is designed with a top layer of Purple's patented Smart Comfort Grid, which is made of a hyper-elastic polymer. This material is designed to adapt to your body's shape and provide pressure relief while also promoting airflow and temperature regulation. The next layer is made of transitional foam, which adds support and helps with motion isolation. The bottom layer is made of high-density foam, which adds durability and stability to the mattress.4. Purple Mattress
The Leesa Hybrid Mattress is a hybrid option that combines foam and innerspring coils for a supportive and comfortable sleep experience. The top layer is made of cooling foam, which helps with temperature regulation and pressure relief. This is followed by a layer of memory foam, which provides additional contouring and support. The third layer is made of active response foam, which adds bounce and support. Finally, the bottom layer is made of individually wrapped pocket springs, which provide targeted support and help with motion isolation.5. Leesa Hybrid Mattress
The Saatva Classic Mattress is a luxury option for those looking for a king size mattress in a box. This mattress is made with individually wrapped coils for support and motion isolation. On top of the coils, there is a Euro pillow top layer for added comfort and cushioning. This is followed by a layer of memory foam for pressure relief and contouring support. The Saatva Classic Mattress also has a layer of high-density foam for added durability and stability. The mattress is finished with an organic cotton cover for a soft and breathable sleep surface.6. Saatva Classic Mattress
The Helix Midnight Luxe Mattress is a customizable option for a king size mattress in a box. This mattress is designed with layers of memory foam and pocketed coils for support and comfort. What sets the Helix Midnight Luxe Mattress apart is its ability to be customized based on your individual sleep preferences. When purchasing the mattress, you can take a sleep quiz to determine the best firmness level for you, as well as any specific needs, such as back pain or hot sleeping. The mattress will then be tailored to your needs, ensuring the most comfortable and supportive sleep experience.7. Helix Midnight Luxe Mattress
The Layla Hybrid Mattress is a flippable option for a king size mattress in a box. This mattress is designed with a soft side and a firm side, allowing you to choose the level of firmness that works best for you. The soft side is made of copper-infused memory foam, which provides pressure relief and helps regulate body temperature. The firm side is made of supportive foam and pocketed coils, which provide targeted support and help with motion isolation. The Layla Hybrid Mattress also has a breathable cover made of a blend of polyester and viscose, which adds to the overall comfort and temperature regulation of the mattress.8. Layla Hybrid Mattress
The Avocado Green Mattress is an eco-friendly option for those looking for a king size mattress in a box. This mattress is made with organic and natural materials, including organic cotton, organic wool, and natural latex. The top layer is made of organic wool, which is soft and breathable. This is followed by a layer of natural latex, which provides contouring and support. The bottom layer is made of individually wrapped coils, which add support and help with motion isolation. The Avocado Green Mattress is also GOTS and GOLS certified, ensuring its organic and sustainable qualities.9. Avocado Green Mattress
The DreamCloud Luxury Hybrid Mattress is a high-end option for a king size mattress in a box. This mattress is designed with a cashmere blend Euro top for a plush and comfortable sleep surface. This is followed by a layer of gel-infused memory foam, which helps with temperature regulation and pressure relief. The next layer is made of supportive foam, which adds stability and support. The DreamCloud Luxury Hybrid Mattress also has a layer of individually wrapped coils, which provide targeted support and help with motion isolation. The mattress is finished with a breathable cover made of a blend of polyester and cashmere, adding to the overall luxurious feel of the mattress.10. DreamCloud Luxury Hybrid Mattress