S-10-35
S-10-35 – Built for balance, this construction employs a unique slow-release layer on top, a soft-responsive foam in the middle for support, and a medium-soft, super high-density foam core for durability. The S-10-35 is made for those who want a solid balance of pressure relief and soft support.
Mattress purchase includes free delivery and our 30/90 Commitment..
Sleep hot? Learn how KülKōte keeps you cool.
Meet the S-10-35.
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This incredibly soft, yet supportive, temperature-neutral foam has a completely unique feel that is similar to memory foam but offers enhanced support through its proprietary closed-cell technology. A great option for pressure relief and those looking for a combination of softness and support.
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The softer version of Comfort Option’s Responsive foam types, placing this material in the second layer of a construction provides medium support and maintains wonderful pressure-relieving benefits. Additionally, motion transfer is extremely limited from one side of the mattress to the other.
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An additional 2" of Ventilated Rebound Foam adds the perfect balance of pressure relief and airflow, ensuring long-lasting, cooling comfort.
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With a foam that’s 75% more dense than a typical foam mattress core, our 2.8 density foam core is built to last. The 35 IFD (which is the measurement of firmness) provides a medium-soft feel.
Twin = 39"x75"
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Twin XL = 39"x80"
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Full = 53"x75"
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Queen = 60"x80"
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King = 76"x80"
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Cal King = 72"x84"
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Twin = 39"x75" | Twin XL = 39"x80" | Full = 53"x75" | Queen = 60"x80" | King = 76"x80" | Cal King = 72"x84" |
Beyond Basic Warranties
The 30/90 Comfort Commitment
We won’t rest well until you do. Instead of just refunding your money if you’re unhappy, we’ll use 120 days to rebuild a custom mattress that works for you. And if we can’t, then we’ll refund you.
The Forever Partnership
Sometimes, warranties don’t cover what you need. From the date of purchase, we provide a partnership that ensures you’re satisfied. Forever.
Density Means Durability.
Ever seen a foam mattress with a big, body-shaped indent in it? That’s almost all because of the use of low density foams. But it’s not just the top layers of the mattress that need high density foam.
Oftentimes, mattress manufacturers will use quality, high-density foam in the top layer or two of a mattress (the parts you feel), then opt to use low-density, cheap foam in the base layer of the bed in order to cut costs. As a result, a cheap, low-density base is almost always to blame for body impressions, not the top layers. The foam simply isn’t made to last and will collapse with very little use.
1.5-1.8 lbs/ft³
(Most Foam Mattress Cores)
Nearly all bed-in-box mattresses found online use foam with a core density in this range, and most of those are closer to the low end of the range. They may feel the same as higher density foams because density does not equal firmness. They won’t always feel the same, though.
Over time, these foams will lose 35% of their firmness and 5% of their height.
In other words, they create body impressions and get softer faster than higher density foams. But they’re far less expensive, which makes them very attractive to other mattress retailers, who hardly ever even tell you the density of the foam they use.
2.8 lbs/ft³
(Comfort Option Foam Core)
Comfort Option uses foam with a 2.8 density, a level quality that is unmatched by our competition. This foam is nearly twice as dense, and in our internal tests, performs nearly 5x better than 1.5 density foams in terms of height loss.
Over time, our foam only loses less than 20% of its firmness and less than 3% of its height.
We’re transparent with the foam we use and call our products “Honestly Crafted” for that reason. We use the most quality foams in the industry and therefore are excited to offer as much information about our specifications as we can.
What is KülKōte?
An advanced phase change material that regulates your temperature as you sleep. Available on all Comfort Option® mattresses.
KülKōte is a Phase Change Material.
KülKōte is a water-based, polymer coating that uses micro-capsules that continually changes phases from liquid to solid in order to effectively manage heat energy. We spray it right onto the surface of the foam on the top layer of our mattresses, along with the surface of our SoftFlo® pillows.
“These mattresses are phenomenal! I was referred to Comfort Option because of my back issues and their mattresses have helped tremendously. I purchased the customizable mattress which walks you through a couple questions to determine what you like in a mattress and what issues you need addressed. The customizable option also allows you to test it out for a time and if it’s not working out they’ll reconstruct it for you! With previous mattresses I had problems with waking up with pins and needles or just very achy, I have never experienced any of these problems with the Comfort Option mattress. I recommend them to everyone.
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