by Since 1898, King Koil has been providing quality innerspring mattresses. Now they offer various mattress models, including foam, latex, hybrid, and even smart mattresses. Although their mattress collections are comfortable and diverse in price range, some customers have experienced durability issues with certain models.
Wielding an unbeatable blend of comfort and affordability, King Koil’s line is the perfect choice for anyone seeking luxgnurious Hybrid mattresses on a budget. Each mattress offers 8 inches of encased coils for superior stability, topped with tufting and a lavish silk-wool fabric blend – giving you that premium feels without breaking the bank.
King Koil mattresses are generally hybrid ones with coils and usually receive positive feedback from customers for being cozy initially. There have been some grumblings about the quality compared to other similar products on the market for their price.
Saatva Classic still is the ideal choice if you’re searching for the #1 mattress. It features three different firmness levels according to your sleep position and weight. Pick yours now!
Editor's pick — mattress review category
Saatva Classic
From $1,174 (Twin) · Saatva's #1 bestseller · Euro pillow top · 3 firmness · 365-night trial · Lifetime warranty
Since 1898, King Koil has been providing quality innerspring mattresses. Now they offer various mattress models, including foam, latex, hybrid, and even smart mattresses. Although their mattress collections are comfortable and diverse in price range, some customers have experienced durability issues with certain models.
Wielding an unbeatable blend of comfort and affordability, King Koil’s line is the perfect choice for anyone seeking luxgnurious Hybrid mattresses on a budget. Each mattress offers 8 inches of encased coils for superior stability, topped with tufting and a lavish silk-wool fabric blend – giving you that premium feels without breaking the bank.
King Koil mattresses are generally hybrid ones with coils and usually receive positive feedback from customers for being cozy initially. There have been some grumblings about the quality compared to other similar products on the market for their price.
Saatva Classic still is the ideal choice if you’re searching for the #1 mattress. It features three different firmness levels according to your sleep position and weight. Pick yours now!
Since 1898, King Koil has been providing quality innerspring mattresses. Now they offer various mattress models, including foam, latex, hybrid, and even smart mattresses. Although their mattress collections are comfortable and diverse in price range, some customers have experienced durability issues with certain models.
TL;DR
This mattress review covers construction, firmness, trial/warranty, price, and who it fits. Saatva Classic is our baseline benchmark for mid-luxury (Euro pillow top, 365-night trial, lifetime warranty) against which we measure competitors.
Wielding an unbeatable blend of comfort and affordability, King Koil’s line is the perfect choice for anyone seeking luxgnurious Hybrid mattresses on a budget. Each mattress offers 8 inches of encased coils for superior stability, topped with tufting and a lavish silk-wool fabric blend – giving you that premium feels without breaking the bank.
King Koil mattresses are generally hybrid ones with coils and usually receive positive feedback from customers for being cozy initially. There have been some grumblings about the quality compared to other similar products on the market for their price.
Saatva Classic still is the ideal choice if you’re searching for the #1 mattress. It features three different firmness levels according to your sleep position and weight. Pick yours now!
Since 1898, King Koil has been providing quality innerspring mattresses. Now they offer various mattress models, including foam, latex, hybrid, and even smart mattresses. Although their mattress collections are comfortable and diverse in price range, some customers have experienced durability issues with certain models.
Wielding an unbeatable blend of comfort and affordability, King Koil’s line is the perfect choice for anyone seeking luxgnurious Hybrid mattresses on a budget. Each mattress offers 8 inches of encased coils for superior stability, topped with tufting and a lavish silk-wool fabric blend – giving you that premium feels without breaking the bank.
King Koil mattresses are generally hybrid ones with coils and usually receive positive feedback from customers for being cozy initially. There have been some grumblings about the quality compared to other similar products on the market for their price.
Saatva Classic still is the ideal choice if you’re searching for the #1 mattress. It features three different firmness levels according to your sleep position and weight. Pick yours now!
Our #1 Recommended Mattress
Our top mattress recommendation
After testing dozens of mattresses, Saatva Classic remains the most versatile pick for most sleepers. Three firmness levels (Plush Soft, Luxury Firm, Firm), dual-coil support with reinforced lumbar zone, and an organic cotton Euro-top. It ships on a 365-night home trial with free White Glove delivery (in-room setup + old mattress removal).
Ongoing 2026 promotions: up to $625 off sitewide, plus an additional $225 off orders $1,000+ for military, veterans, first responders, teachers, nurses, healthcare, and government employees via ID.me. Lifetime warranty included.
Saatva Classic. From $1,095
365-night trial · Lifetime warranty · Free white-glove delivery
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- A (better) alternative we recommend (#1 mattress for 2026)
- Pros and Cons
- Who Do We Recommend King Koil Mattress for?
- Avoid King Koil Mattress if:
- Comfort & Firmness
- Performances
- What is a King Koil Mattress Made of?
- Is King Koil's Mattress Flippable?
- Does King Koil's Mattress Come In A Box?
- Is King Koil's Mattress Usable With An Adjustable Bed?
- Is King Koil's Mattress Made In The US?
- Price Range
- The Trial, Shipping, and Warranty
- Our Top Mattress Pick
- Our Verdict
- King Koil Mattress: Heritage Brand Complete Review
- Frequently Asked Questions
A (better) alternative we recommend (#1 mattress for 2026)
– 40K + ⭐⭐⭐⭐⭐ reviews
– FREE White Glove Delivery service
Pros and Cons
What We Like
- Luxury innerspring with excellent lumbar support
- Multiple firmness options available
- Free white-glove delivery and mattress removal
- 365-night trial and lifetime warranty
What Could Be Better
- Higher price than many online brands
- Heavier than foam mattresses
- Not compressed in a box
- Some off-gassing possible initially
Who Do We Recommend King Koil Mattress for?
King Koil mattresses are suitable for those who:
- Prefer a firmer mattress with more firmness and support
- Are looking for strong edge support to minimize motion transfer between sleepers
- Need pressure relief from aches and pains associated with poor spine alignment
- Prefer a mattress with advanced cooling technology for a cool, comfortable sleep
- Require a hypoallergenic mattress that is resistant to dust mites and other allergens
Avoid King Koil Mattress if:
King Koil mattresses may not be suitable for those who:
- Prefer a softer, more cushioning mattress
- Are sensitive to changes in temperature or prefer natural materials
- Require consistent comfort and support over time.
Comfort & Firmness
Another important factor customers consider when looking for a mattress is comfort and firmness. King Koil mattresses are available in different firmness levels, so it's possible to find the perfect match for your needs. Customers have noted that although their mattresses feel quite soft initially, they provide good support over time and hold up well. King Koil mattress reviews describe the mattresses as providing a good balance between comfort and support.
Overall, if you are seeking extra comfort and firmness, Saatva Classic is highly recommended as it comes with two thickness levels and three firmness levels.
Performances
King Koil's new technology ensures optimal weight distribution, creating a firm mattress perfect for spinal alignment and pressure point relief. Plus, its queen size can support up to 600 pounds! With such exceptional performance, King Koil mattresses are ideal for comfort.
But if you are seeking a mattress that is great in terms of durability and offers ultimate support, then the Saatva mattress should be your first choice.
Is it a Good Mattress for Back Pain?
King Koil offers a mattress collection that boasts zoned coil systems, providing optimum motion isolation and lumbar support. Whether you require extra pressure relief for your hips or shoulders, these techniques can suit your needs.
Sagging and Edge Support
Edge support is the degree of stability provided on the sides than the middle section of a mattress. King Koil mattresses provide solid edge support, though some buyers may experience extra contouring around them. In terms of longevity and durability, foam beds are lesser-lasting, while coil models constructed properly can endure for at least 7 – 12 years.
Reviews from sleepers regarding King Koil mattresses display varied opinions – some applauding their comfortability while others have experienced inadequate long-term sustenance.
Edge support is a vital factor for those who take their sleep seriously, yet it's something people don't fully understand until they lose it. Saatva mattresses have consistently received high ratings regarding edge support.
Motion Isolation
When searching for a mattress that offers motion isolation, King Koil presents an extensive selection of options. Their firmer and foam models tend to offer the most in-depth motion isolation, while their coil system is specifically to reduce disturbance between sleepers even further. If you desire something more technological with targeted support, Saatva Classic mattresses are your best bet.
Sleeping Position and Weight
The king Koil mattress is excellent for all sleeping positions, whether you are a back, stomach, or side sleeper. Plus, it works well for lightweight, moderate and heavy-weight individuals. However, if you seek something luxurious that gives you comfort and handles your weight, then the Saatva Classic mattress is an incredible choice.
Breathability & Heat Transfer
Get the perfect blend of temperature control and comforting support with King Koil memory foam mattresses. Their patented Hypur Gel technology with graphite-infused memory foam layers provides a cooling sensation while giving you cradling comfort from memory foam. With King Koil collections, sleep soundly, knowing your body is surrounded by superior comfort and you're experiencing optimal sleeping surface temperature.
Saatva on the other hand, has copper infused in it, which makes it even more breathable and helps in heat transfer.
Durability
The king Koil mattress's durability is poorer than the Saatva classic mattress, which comes with advanced technology coils to offer complete durability.
What is a King Koil Mattress Made of?
King Koil mattress layers are as follows:
- 2″ Continuous Coils: The base layer of King Koil mattresses is composed of individually wrapped coils. These coils contour the body and reduce motion transfer, providing support and comfort throughout the night.
- 2″ Dunlop Latex Foam: This layer provides extra cushioning and comfort while still offering support. The natural latex material helps regulate temperature, keeping the mattress cool throughout the night.
- 2″ Polyfoam/Polyurethane Foam: This layer adds extra cushioning and provides additional support. It also helps reduce pressure points, allowing the sleeper to stay comfortable throughout the night.
Is King Koil's Mattress Flippable?
Yes, King Koil mattresses are flippable. This is beneficial for extending your mattress's life and ensuring that it remains comfortable over time.
Does King Koil's Mattress Come In A Box?
Yes, the King Koil mattress is conveniently shipped in a box for easy delivery and setup. The mattress is compressed and rolled to fit into the box, so once it's delivered, you can unbox it, place it on your bed frame or foundation, and let it expand as needed.
Is King Koil's Mattress Usable With An Adjustable Bed?
Yes, the King Koil Mattress is suitable for an adjustable bed. The mattress has been designed with a unique combination of foam and spring system that helps it to provide extra support when adjusted according to your body's needs.
Is King Koil's Mattress Made In The US?
Yes, the King Koil mattress is made in the United States. The company uses its advanced mattress engineering technology to create a product with comfort and durability in mind. Each of their mattresses is crafted using high-quality materials.
Price Range
The price range of the King Koil mattresses varies between $610 – $990. It varies based on sizes ranging from a twin mattress to a California king mattress.
| Size | Dimensions | Price |
| Cali King | (72″ x 84″) | $989.99 |
| King | (76″ x 80″) | $989.99 |
| Queen | (60″ x 80″) | $789.99 |
| Full | (53″ x 75″) | $699.99 |
| Twin XL | (38″ x 80″) | $699.99 |
| Twin | (38″ x 75″) | $609.99 |
The Trial, Shipping, and Warranty
Varied night trial: With King Koil mattresses, you can enjoy a trial period that varies in length
Warranty: King Koil mattress comes with an impressive 10-year warranty.
Free Shipping: Plus it offers free shipping for added convenience!
While Saatva Classic is a great mattress with 20 years of warranty and a 365-night free trial.
Our Top Mattress Pick
| Saatva Classic | $1,395+ | Shop |
| Saatva Contour5 | $1,595+ | Shop |
| Saatva Zenhaven | $1,895+ | Shop |
Our Verdict
The King Koil air mattress is an outstanding choice if you seek superior support and durability. Not to mention, its comfort level surpasses expectations! Despite being a great deal already, the Saatva Mattress is a luxury option that offers convenience to users.
Try Saatva risk-free →
King Koil Mattress: Heritage Brand Complete Review
King Koil has been manufacturing mattresses since 1898. Originally called United States Bedding, they rebranded to King Koil and now operate globally.
Current Lineup
- Extended Life: Traditional innerspring, $500–$1,000 Queen
- World Luxury: Premium hybrid, $1,500–$3,000 Queen
- Natural Response: Latex hybrid, $1,000–$2,000 Queen
- SmartLife: Memory foam, $800–$1,500 Queen
Heritage Brand Value
King Koil's 125+ year manufacturing history provides proven quality systems. Their "chiropractor endorsed" positioning (ICA partnership) is legitimate - the International Chiropractors Association reviews their designs. Distribution is primarily through independent retailers with limited DTC presence.
For proven quality: top picks | durability guide.
The Saatva Classic offers premium US-made construction at $1,995 with a 365-night trial and lifetime warranty.
- Mattress Finder Quiz - Find your perfect mattress in 60 seconds
- Mattress Size Guide - Visual size comparison and room requirements
- Mattress Age Calculator - Should you replace your mattress?
- Return Policy Comparison - 20 brands compared
Frequently Asked Questions
Is King Koil a good mattress brand?
King Koil is a long-established mid-range mattress brand with over 100 years in the industry. Their mattresses offer solid value for the price, with coil-based construction that performs reasonably well for back and stomach sleepers. They are a solid choice for budget-conscious buyers who want a traditional innerspring feel, though they lack the sleep trial and white-glove delivery of premium online brands.
Where are King Koil mattresses made?
King Koil mattresses are manufactured in the United States. The brand licenses its name to regional manufacturers, which means construction quality and materials may vary somewhat by retailer and model.
How long does a King Koil mattress last?
A King Koil mattress typically lasts 7 to 10 years with normal use. Like most traditional innerspring mattresses, the top comfort layers may show softening before the coil support system degrades. Using a proper foundation and rotating the mattress every 3 to 6 months helps extend its lifespan.
Does King Koil offer a sleep trial?
King Koil's sleep trial policy varies by retailer and model. Unlike direct-to-consumer mattress brands that offer standardized 100 to 365 night trials, King Koil is sold through various furniture and mattress retailers, each of which sets its own return and trial policy. Check the specific return terms at the retailer where you purchase.
What is the King Koil mattress warranty?
King Koil typically offers a 10-year limited warranty on most of their mattresses, covering manufacturing defects and excessive sagging (usually defined as an impression deeper than 1.5 inches not caused by an inadequate foundation). The warranty does not cover normal comfort softening or damage from improper use.
Related Guides
One last thing
Still reading? The Saatva Classic is where most people land.
Mainstream luxury hybrid at $1,779 queen, zoned lumbar coil, 3 firmness options, 365-night home trial, lifetime warranty, free white-glove delivery + old-mattress removal.
Frequently asked questions
Is King Koil a good mattress brand?
King Koil has a long history (since 1898) and International Chiropractic Association endorsement. Quality varies widely across their product lines — their luxury hybrid models compete with Saatva, while entry-level models are comparable to budget Sealy.
Where are King Koil mattresses made?
King Koil mattresses are manufactured in several US factories and also licensed internationally. US-sold King Koil mattresses are typically American-made; verify the specific model before purchase.
How long does a King Koil mattress last?
7-10 years for luxury hybrid models, 5-7 years for entry-level innerspring. Expect edge support and center support to be the first components to degrade.