Finding the perfect mattress can be a daunting task, especially when you’re looking for a king-size option. With so many choices available, it’s easy to get overwhelmed. Thankfully, mattress-in-a-box companies have made the process much easier and more convenient. These companies offer high-quality king-size mattresses that are compressed and shipped directly to your doorstep, eliminating the hassle of traditional mattress shopping.
One of the biggest benefits of choosing a king-size mattress in a box is the convenience of free shipping. This means you don’t have to worry about expensive delivery fees or the hassle of transporting a bulky mattress. Many companies also offer generous return policies, allowing you to try out the mattress in the comfort of your own home before making a final decision.
In this article, we’ll be reviewing seven of the best king-size mattress in a box options available today, all with free shipping. We’ve carefully selected these mattresses based on their comfort, support, durability, and overall value. Whether you prefer a plush, firm, or medium-firm feel, we have a mattress on this list that’s sure to meet your needs.
So, if you’re ready to upgrade your sleep experience and enjoy the comfort of a king-size mattress without the hassle, keep reading. We’ll guide you through the top contenders and help you find the perfect mattress for a restful night’s sleep.
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Casper Original
A popular and well-reviewed mattress in a box, the Casper Original offers a balanced feel that caters to a wide range of sleepers. It features a combination of support and pressure relief, making it a good option for side, back, and combination sleepers.
Specifications :
- Construction: 3 layers of foam (polyfoam, memory foam, and support foam)
- Firmness: Medium
- Trial Period: 100 nights
- Warranty: 10 years
Reasons to buy :
- Offers a balanced feel that is comfortable for most sleepers
- Breathable and cool-sleeping
- Easy to move and set up
Reasons to avoid :
- May be too firm for some sleepers
- Not as much pressure relief as other memory foam mattresses
What you need to know :
Buy it if
- You're looking for a comfortable and well-made mattress in a box
- You prefer a medium firmness
- You want a mattress that is easy to set up and move
Don't buy it if:
- You need a very soft or very firm mattress
- You are a hot sleeper
- You are on a tight budget
Bottom Line:
The Casper Original is a great all-around mattress that is comfortable and supportive. It is a good choice for most sleepers, but it may not be the best option for those who prefer a very soft or very firm mattress. It's a great value for the price and comes with a generous 100-night sleep trial and a 10-year warranty.
Purple Mattress
Known for its unique and innovative gel grid technology, the Purple Mattress provides exceptional pressure relief and breathability. It is a good choice for side sleepers, as it contours to the body's curves without sinking too deeply.
Specifications :
- Construction: 4 layers (gel grid, comfort foam, support foam, and base layer)
- Firmness: Medium
- Trial Period: 100 nights
- Warranty: 10 years
Reasons to buy :
- Provides excellent pressure relief and breathability
- Contours to the body without sinking too deeply
- Durable and long-lasting
Reasons to avoid :
- Can be a bit firmer than some other memory foam mattresses
- May not be suitable for heavy sleepers
What you need to know :
Buy it if
- You are a side sleeper
- You need a mattress that is both supportive and pressure-relieving
- You tend to sleep hot
Don't buy it if:
- You prefer a very soft or very firm mattress
- You are a heavy sleeper
- You are on a tight budget
Bottom Line:
The Purple Mattress is a unique and innovative mattress that offers excellent pressure relief and breathability. It is a good choice for side sleepers, but it may not be suitable for heavy sleepers or those who prefer a very soft mattress. It is also a bit more expensive than some other mattresses in a box, but the innovative gel grid technology and the generous 100-night sleep trial make it a worthy investment for those who value comfort and performance.
Nectar Sleep
A popular choice for those who prioritize comfort and value, the Nectar Sleep mattress offers a plush and pressure-relieving experience at a budget-friendly price. It features a combination of memory foam and gel foam layers for a comfortable and cool sleep.
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Specifications :
- Construction: 5 layers (gel foam, memory foam, adaptive foam, support foam, and base layer)
- Firmness: Medium
- Trial Period: 365 nights
- Warranty: Forever
Reasons to buy :
- Very comfortable and pressure-relieving
- Cool-sleeping thanks to gel foam
- Affordable price
Reasons to avoid :
- May not be as supportive as other mattresses
- Can sink in too much for some sleepers
What you need to know :
Buy it if
- You're looking for a comfortable and affordable mattress
- You want a plush and pressure-relieving feel
- You need a mattress with a long trial period
Don't buy it if:
- You need a very firm mattress
- You are a heavy sleeper
- You need a mattress with strong edge support
Bottom Line:
The Nectar Sleep mattress is a great option for those looking for a comfortable and affordable mattress. It is a plush and pressure-relieving mattress that is ideal for side sleepers, but it may not be the best option for heavy sleepers or those who prefer a firmer mattress. The Nectar Sleep comes with a generous 365-night sleep trial and a forever warranty, making it a risk-free investment.
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Leesa Original
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The Leesa Original is a well-respected mattress in a box that offers a balance of comfort, support, and breathability. It features a three-layer construction that provides a medium-firm feel, making it a good option for back and combination sleepers.
Specifications :
- Construction: 3 layers (Avena foam, Lyocell cover, and foam base)
- Firmness: Medium-firm
- Trial Period: 100 nights
- Warranty: 10 years
Reasons to buy :
- Provides a balanced feel that is comfortable for back and combination sleepers
- Breathable and cool-sleeping
- Made with eco-friendly materials
Reasons to avoid :
- May not be as pressure-relieving as other memory foam mattresses
- Not the best choice for side sleepers
What you need to know :
Buy it if
- You prefer a medium-firm feel
- You are a back or combination sleeper
- You are looking for an eco-friendly mattress
Don't buy it if:
- You need a very soft or very firm mattress
- You are a side sleeper
- You are on a tight budget
Bottom Line:
The Leesa Original is a well-made and comfortable mattress that is ideal for back and combination sleepers. It offers a balance of comfort, support, and breathability, and it is made with eco-friendly materials. However, it may not be the best choice for side sleepers or those who prefer a very soft mattress. It comes with a 100-night sleep trial and a 10-year warranty, making it a good value for the price.
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Saatva Classic
A luxury mattress that is known for its exceptional quality and craftsmanship, the Saatva Classic offers a premium sleep experience. It is a hybrid mattress featuring individually wrapped coils for superior support and comfort.
Specifications :
- Construction: 5 layers (organic cotton cover, Euro pillow top, plush foam, individually wrapped coils, and support foam)
- Firmness: Medium
- Trial Period: 120 nights
- Warranty: 15 years
Reasons to buy :
- Exceptionally comfortable and supportive
- Provides excellent pressure relief
- Durable and long-lasting
Reasons to avoid :
- More expensive than some other mattresses in a box
- Not as easy to move and set up as a foam mattress
What you need to know :
Buy it if
- You are willing to invest in a high-quality mattress
- You want a mattress that is both comfortable and supportive
- You need a mattress with a long trial period
Don't buy it if:
- You are on a tight budget
- You need a mattress that is easy to move and set up
- You prefer a very soft or very firm mattress
Bottom Line:
The Saatva Classic is a premium mattress that offers a luxurious sleep experience. It is exceptionally comfortable and supportive, and it is made with high-quality materials. However, it is more expensive than some other mattresses in a box, and it is not as easy to move and set up as a foam mattress. It comes with a 120-night sleep trial and a 15-year warranty, making it a worthwhile investment for those who prioritize quality and comfort.
Helix Midnight Luxe
A luxurious mattress designed for side sleepers, the Helix Midnight Luxe provides exceptional pressure relief and contouring. It features a combination of memory foam and spring layers for a comfortable and supportive sleep experience.
Specifications :
- Construction: 6 layers (memory foam, transition foam, individually wrapped coils, support foam, and base layer)
- Firmness: Medium
- Trial Period: 100 nights
- Warranty: 10 years
Reasons to buy :
- Provides exceptional pressure relief and contouring
- Very comfortable for side sleepers
- Durable and long-lasting
Reasons to avoid :
- May be too soft for back or stomach sleepers
- Not as breathable as some other mattresses
What you need to know :
Buy it if
- You are a side sleeper
- You need a mattress that is both comfortable and supportive
- You want a mattress that contours to your body
Don't buy it if:
- You prefer a very firm mattress
- You are a back or stomach sleeper
- You tend to sleep hot
Bottom Line:
The Helix Midnight Luxe is a luxurious mattress that is ideal for side sleepers. It provides exceptional pressure relief and contouring, and it is made with high-quality materials. However, it may be too soft for back or stomach sleepers, and it is not as breathable as some other mattresses. It comes with a 100-night sleep trial and a 10-year warranty, making it a good investment for those who value comfort and support.
Amerisleep AS5
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A popular choice for back sleepers, the Amerisleep AS5 offers a medium-firm feel that provides excellent support and pressure relief. It features a combination of Bio-Pur memory foam and Affinity foam layers for a comfortable and cool sleep.
Specifications :
- Construction: 3 layers (Bio-Pur memory foam, Affinity foam, and support foam)
- Firmness: Medium-firm
- Trial Period: 100 nights
- Warranty: 20 years
Reasons to buy :
- Provides excellent support and pressure relief
- Comfortable for back sleepers
- Cool-sleeping and breathable
Reasons to avoid :
- May not be as pressure-relieving as other memory foam mattresses
- Not the best choice for side sleepers
What you need to know :
Buy it if
- You are a back sleeper
- You prefer a medium-firm feel
- You want a mattress that is both supportive and pressure-relieving
Don't buy it if:
- You need a very soft or very firm mattress
- You are a side sleeper
- You are on a tight budget
Bottom Line:
The Amerisleep AS5 is a well-made and comfortable mattress that is ideal for back sleepers. It provides excellent support and pressure relief, and it is cool-sleeping and breathable. However, it may not be the best choice for side sleepers or those who prefer a very soft mattress. It comes with a 100-night sleep trial and a 20-year warranty, making it a good value for the price.
Choosing the right mattress can be a daunting task, but with so many great options available, it's also an exciting one! We hope this list of the 7 best king size mattresses in a box with free shipping has helped narrow down your search. Each of these mattresses offers a unique combination of comfort, support, and value, catering to different sleep preferences and budgets.
Remember, the best mattress for you is the one that provides you with the most restful sleep. Consider factors like firmness, materials, and your personal sleeping position when making your decision. Don't be afraid to try out a few different mattresses before making your final choice. Most companies offer generous sleep trials, giving you ample time to ensure you're happy with your purchase.
With a little research and consideration, you're sure to find the perfect king size mattress to transform your sleep experience. A good night's sleep is essential for overall health and well-being, so invest in a mattress that will help you achieve your best rest. Sweet dreams!
This list is just a starting point – there are many other great king size mattresses available on the market. Do your own research, read reviews, and consider what's most important to you in a mattress. With the right approach, you'll be sleeping soundly in no time.
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