King Koil Riverside Firm Mattress

This firm hybrid mattress delivers balanced support through a combination of responsive coils and cushioning foam layers. Designed with a firm feel, it provides a stable sleep surface that helps promote proper alignment while minimizing excessive sink. The hybrid construction pairs the contouring comfort of foam with the durability and support of an innerspring core, creating a sleep experience that feels both supportive and comfortable. A breathable design encourages airflow throughout the mattress for added comfort. Plus, the hybrid construction combines pressure-relieving comfort with dependable support.

I’m very happy with this purchase! It’s incredibly soft and comfortable while still providing a nice level of firmness and support. I’ve been sleeping really well on it. The only minor issue is that all four corners seem slightly compressed or sunken. I initially thought they would fully expand and return to their normal shape over time, but they still seem to be that way. Aside from the corners, I’m very satisfied with everything else. It’s comfortable, supportive, and I’ve been enjoying it so far. I would definitely recommend it!. Anonymous. Fri Oct 16 2026

Engineered to accommodate heavier sleepers and those who seek extra firm comfort, the LuuF Max offers the support of extra firm Serene Comfort Foam atop a 5-zoned individually wrapped Quantum Coil with increased edge support.

Great mattress! It is firm for sure. I slept awesome. Woke up this morning without back pain.. Wendy. Fullerton, CA. Sat Sep 26 2026

Sleep cooler, cleaner, and more comfortably with the power of copper-infused memory foam. Designed for optimal temperature regulation, pressure relief, and motion isolation, this mattress helps you rest deeper and wake up feeling refreshed.

I am in 7th heaven. Thin mattress is exceptional and I am in 7th heaven. Barbara. Dover-foxcroft. Wed Aug 27 2025

The Kingsdown Prime collection provides luxury, premium sleep at an exceptional value. Featuring consistent, edge-to-edge support, the Prime Brookgreen 11.5" Medium Firm Innerspring Mattress is designed to deliver the sleep you’ve dreamt of. Handmade in the United States for 120 years, each Kingsdown mattress is tested and certified before it leaves our hands to ensure consistent, superior quality and accurate, refined support. Kingsdown luxury sleep — exquisitely designed and handcrafted mattresses since 1904. All Kingsdown mattresses are made-to-order and handmade in the USA.

This mattress is perfect for my back problems firm but not to firm its just what I needed. Wendy. Osceola, WI. Thu Sep 04 2025

Experience targeted back pain relief and all-night comfort with our 14-inch firm hybrid mattress. Engineered for proper spinal alignment, it combines a wrapped coil system for zoned, motion-isolating support with gel-infused memory foam that gently alleviates pressure points. The breathable knit cover and integrated cooling layers actively regulate temperature. The reinforced foam encasement delivers stable edge-to-edge support. Wake up refreshed, restored, and free from aches—night after night.

Love this bed. So firm! But very heavy so needed help with unpacking. I love it. Would recommend.. Anonymous. Sat Aug 29 2026

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support.

So firm and comfy! I also appreciate the thickness of the mattress due to the fact the box screens I purchased were not as high as my previous ones sold it all evened out. Anonymous. Sun Oct 11 2026

The Sealy Posturepedic® Plus Spring Firm mattress delivers pressure-relieving comfort to help maintain natural body alignment and reduce nagging Bed Aches™ night after night. The orthopedic-inspired Posturepedic® Plus Support System features exclusive PrecisionFit™ Coils, arranged right where you need them. Plus, the DuraFlex™ Coil Edge provides a reinforced solid surface that’s built to last.

Awesome mattress if you need a firm one. We love this mattress and are sleeping much better than before.. Nealia. Gastonis, NC. Sat Oct 24 2026

Our Stearns & Foster Estate collection takes comfort to the next level featuring our tempur-indulge memory foam for enhanced pressure relief and our exclusive IntelliCoil innersprings for added support—all night long.

I was shopping for a new mattress and tried many different floor samples from all the current brands. When I tried the S&F Estate - I knew it was the one. Went back numerous times to make sure and every time I got that "Ahhhh" feeling. I absolutely love it, It is the most comfortable and supportive mattress I have ever owned. It is also beautiful and substantial. Would not hesitate to recommend it to anyone shopping for a new mattress.. Delighted Consumer. Ocala Florida. Tue Oct 06 2026

A true European pillow top rests atop the Kingsdown Prime Summitview 14" Medium Firm Euro Pillow Top Innerspring Luxury Mattress, creating the highest level of pressure relief and cushioning available in Kingsdown Prime — our hallmark of exceptional value and luxurious sleep in an affordable package. Handcrafted in the United States for 120 years, each mattress is tested and certified before it leaves our hands to ensure consistent, superior quality and accurate, refined support. Kingsdown luxury sleep — exquisitely designed and handcrafted mattresses since 1904. All Kingsdown items are made-to-order and handmade.

Wonderful support. We have only purchased Kingsdown over the years and this one is an excellent replacement for the one we had for 25 years. They last forever. Works beautifully with our new adjustable base.. Julie. Williamsburg, VA. Thu Mar 12 2026

Calling all firm mattress fans! Created for back and stomach sleepers and anyone with lumbar pain. Our Cooling Support Firm Hybrid mattress offers support you can feel and comfort that only comes with quality components. Hands down the Best Hybrid Mattress for anyone who loves a firm bed!

Comfortable firm mattress but it does make a crinkly sound when you sit in the edge. I would still purchase it again.. Dana. FL. Sat Sep 05 2026

Meet our ultra-high-tech hybrid mattress, rated 2023's Best Mattress for Spinal Alignment by Sleep Foundation. The Nolah Evolution features our patented HDMax Tri-Zone coils, offering targeted back support and responsive pressure relief. Meanwhile, the breathable cover, heat-dissipating Euro topper, and zoned AirFoam provide luxurious cushioning and best-in-class cooling.

I purchased the Nolah Queen Mattress from Wayfair and it has exceeded every expectation. The comfort level is outstanding — soft enough to feel plush, but supportive enough that I wake up without any back or shoulder tension. The cooling feature is real even in warm Miami nights, the mattress stays comfortably cool.. Alain. Miami, FL. Mon Jun 01 2026

Engineered for Your Best Sleep – Bedstory Mattress Tired of choosing between support and comfort? Our hybrid mattress combines the best of memory foam and innerspring technology—giving you cool, pressure-relieving comfort with durable, body-hugging support for deeper, more restorative sleep. The Right Fit For: -Back/side sleepers (medium-firm 6/10 feel) -Hot sleepers (breathable 3D knit cover) -Safety-conscious buyers (no fiberglass or harmful chemicals) Which Thickness is Right for You? 12" – Ideal for most sleepers (130-230 lbs), especially side sleepers needing pressure relief. 14" – Luxury feel, best for plus-size sleepers (230+ lbs) or adjustable bases. Which Size Should You Choose? Twin (38"x75") – Kids, dorm rooms, or small spaces. Full (54"x75") – Solo adults who like extra room. Queen (60"x80") – Couples or master bedrooms (best seller!). King (76"x80") – Spacious comfort for couples, tall sleepers, or pet owners. Still unsure? Most couples love our—the perfect balance of support and comfort!

Mattress is perfect. Definitely a higher mattress than what i am used to but very comfortable!. Kevin. Groveland, MA. Sun Jul 12 2026

Elevate your sleep with the Beautyrest ComforPedic Loft Gel Memory Foam Mattress. This firm gel memory foam mattress provides three layers of supportive foam that deliver exceptional comfort, pressure point relief, and motion isolation. The firm construction helps maintain proper spinal alignment and offers enhanced support for your body, making it ideal for those who prefer a more structured, supportive sleep surface. Gel-infused memory foam promotes airflow to keep you cool throughout the night while contouring to your body for personalized comfort. Combining durability, high-quality materials, and advanced cooling technology, the ComforPedic Loft mattress ensures a restorative and luxurious sleep experience night after night.

So surprised at how comfortable this bed is. Such a highlight climbing in every night. I’ve always had spring mattresses - my first gel memory foam - and I’m not going back. Sold!. Anonymous. Mon Oct 05 2026

Upgrade your sleep with the Evann Spring Mattress, designed to combine cooling comfort, pressure relief, and responsive support with a balanced medium-firm feel. Cooling gel memory foam gently contours to the body to help relieve pressure around the shoulders, back, and hips, while the breathable knitted cover and airflow-friendly construction help maintain a cooler, more comfortable sleep environment throughout the night. At the core, individually wrapped pocket coils respond independently to movement, helping reduce motion transfer and minimize partner disturbance while delivering stable, adaptive support. The Spring construction balances cushioning and responsiveness for side, back, and combination sleepers, while reinforced edge support helps improve stability around the perimeter and maximize the usable sleep surface. Designed with fiberglass-free materials, along with anti-static and hypoallergenic comfort, Evann offers added peace of mind for everyday sleep. The mattress is CertiPUR - US®, OEKO-TEX® & SGS Certified, combining carefully selected materials with dependable Spring construction. Available in 12" and 14" profiles across Twin, Twin XL, Full, Queen, and King sizes, Evann arrives conveniently compressed as a mattress in a box for easier delivery and setup. Simply unbox, unroll, and allow 48–72 hours for full expansion. Backed by a 10-year limited warranty, the Evann Spring Mattress delivers the cooling comfort, pressure relief, motion isolation, and medium-firm support needed for comfortable, dependable sleep night after night.

The mattress is firm yet very comfortable! Perfect support for our 50 bodies.. Dgb In Wy. Thu Aug 27 2026

The flippable Plank Luxe is designed to be the firmest mattress on the market—pairing all of the benefits of the original Plank with the additional responsiveness and pressure point relief of individually encased coils. Put simply, the construction of the Plank Luxe creates a more comfortable sleep surface for both sleep partners. Both the firm and extra-firm sides are offered with optional cooling panels for the ultimate sleep experience.

I LOVE this bed. Is it firm Yes and I haven’t had back trouble once since using it. I’ve had this mattress for a year and it is still in excellent shape.. Terri. Saint Joseph, MO. Mon Aug 31 2026

Experience the best of both worlds with the reimagined Beautyrest Black® Hybrid mattress - the latest advancement from the creators of the original Hybrid mattress. Rest undisturbed as Triple-Stranded Pocketed Coil® Technology delivers our most advanced, individualized support and motion separation, isolating movement between sleepers while conforming to support their unique shapes. Plus, sleep comfortably as a cool-to-the-touch Sleep Climate™ Surface promotes cooling for a luxurious rest. Our patented ContourFit® design allows you to nestle directly into Beautyrest® Gel Memory Foam at the mattress surface, enhancing your comfort and pressure relief no matter your sleeping position. The best of individualized support, motion separation, and pressure-relieving comfort await in a mattress designed to excel in all. Invest in your rest, and discover your best with the reimagined Beautyrest Black® Hybrid.

Great mattress! I have chronic back pain due to scoliosis. I initially purchased a dreamcloud firm mattress and it felt too soft. Swapped it for this one and I couldn’t be happier! It has minimal bounce and doesn’t sink when you sit on the edges. Definitely worth the price and would highly recommend to anyone looking for a firm mattress.. Anonymous. Sat Aug 08 2026

The Stearns & Foster Lux Estate Collection provides an elevated level of comfort and support, with the added benefit of features to help keep you cool all night long.

Have slept in our new mattress for over a month now and it is such an amazing upgrade from our previous mattress. The quality sleep we now get is wonderful. I’m sure it will get even better as it really begins to break in. Awesome mattress and well worth the money!!!. Satisfied Sleeper. Maryland. Tue Oct 13 2026

Sleep luxuriously with Beautyrest Silver BRS900 mattress. Featuring Beautyrest’s innovative 900 Series Pocketed Coil technology, the Silver BRS900 mattress provides superior support from its base up. Sleep distraction-free with this support layer, designed to isolate motion between partners, and stretch out comfortably with the BeautyEdge layer’s edge-to-edge support. The Gel Memory Foam Lumbar Support layer provides pressure-relief where you need it most, and the DualCool moisture-wicking technology ensures you wake feeling refreshed. The Silver BRS900 is crafted to optimally support your body for a comforting, cooling sleep. Its innovative features, paired with the mattress’s clean, modern design, package perfectly together for a luxury sleep experience, night after night

Had this mattress for about 6 yrs now. It was comfortable and plush for the first year and then started getting a bit firm for my liking. I feel it’s good for back sleepers but not so much for side sleepers.. Priscilla. Bloomington, CA. Thu Oct 08 2026

This firm gel memory foam mattress delivers structured support with cooling comfort throughout the night. Gel-infused memory foam layers contour to the body's shape while helping to dissipate heat, creating a sleep surface that feels both supportive and comfortable. The firm feel promotes stability and alignment, making it a great option for those who prefer a more supportive mattress. A breathable design encourages airflow for enhanced comfort, while the smooth cover provides a clean, tailored finish. Plus, the responsive foam construction helps minimize motion transfer for more restful sleep.

This worked out perfectly. Firm, comfortable. I placed a bed board under the mattress to give extra support since there is no box spring.. Rose Mary. Tue Oct 06 2026

Featuring 5 support zones designed for full-body spinal alignment with a combination of supportive coils and 1” Perfect Conform Memory Foam. Plus a layer of micro coils and a classic quilted feel makes for night after night of perfect sleep. Memory foam and cooling upgrades available.

It’s absolutely heaven. I worked 5 12 hours at the hospital and when I get home and in bed this mattress is amazing and so comfortable.. Karen. Tue Oct 13 2026

This plush hybrid mattress updates your bed setup by providing a supportive, temperature-regulated layout designed for a restful night. Combining a supportive innerspring coil system with high-density gel-infused memory foam layers, it adapts to your body's unique contours while offering a plush comfort level that is ideal for side sleepers. The breathable, quilted Euro-top cover works alongside cooling technology to help dissipate body heat and assist with airflow on warm nights. Plus, it features low-motion transfer, allowing you to stay asleep undisturbed even if a partner tosses and turns.

Very satisfied with this mattress. I’ve had this mattress for over a year and I get great sleep. Not too firm or soft, perfect for any sleeping positions. My son naps with me and he sleeps like a baby!. Anonymous. Sun Oct 11 2026

Our Stearns & Foster Estate Collection takes comfort to the next level featuring our TEMPUR-Indulge Memory Foam for enhanced pressure relief and our exclusive IntelliCoil innersprings for added support—all night long.

I was shopping for a new mattress and tried many different floor samples from all the current brands. When I tried the S&F Estate - I knew it was the one. Went back numerous times to make sure and every time I got that "Ahhhh" feeling. I absolutely love it, It is the most comfortable and supportive mattress I have ever owned. It is also beautiful and substantial. Would not hesitate to recommend it to anyone shopping for a new mattress.. Delighted Consumer. Ocala Florida. Tue Oct 06 2026

The mattress is crafted with high-quality supportive layers and soft, comfortable fabrics, perfectly fitting the contours of the human body and providing just the right support for various sleeping positions. It keeps you warm in winter and cool in summer, avoiding excessive heat. Whether it's the restless night or a deep sleep, it always offers a zero-pressure wrapping sensation to protect your spinal health, making every night's sleep feel like you're floating in the clouds.

Anonymous. Tue Sep 22 2026

The Kingsdown Prime collection provides luxury sleep at an exceptional value. The Prime Ashwin 15.5" Euro Pillow Top Luxury Hybrid Mattress is expertly crafted for energizing sleep. Hundreds of individually wrapped coils are coupled with latex and specialty foams infused with gel, copper, silver, and graphite for the perfect balance of comfort and support. Handcrafted in the United States, each mattress is tested and certified before it leaves our hands to ensure consistent, superior quality and accurate, refined support. Kingsdown luxury sleep — exquisitely designed and handcrafted mattresses since 1904. All Kingsdown mattresses are made-to-order and handmade in the USA.

The mattress is made custom to order in the USA! Love that it is firm and supportive. Highly recommend to try it in stores.. Anna. NY. Mon Dec 22 2025

Meet your ideal night's sleep with this Hybrid Mattress! Our mattress combines cooling gel memory foam with over 930 individually pocketed springs to redefine your sleep experience, offering perfect medium-firm support that cradles your body and maintains natural spinal alignment whether you sleep on your side, back, or stomach. Scientifically engineered for superior motion isolation, breathable comfort, and lasting support, enjoy peaceful nights all through the night. Backed by a 365-day trial and 10-year warranty for your peace of mind.

Great mattress! I have significant back pain due to degenerative disc disease, and since getting this mattress, I’ve noticed a big difference. I’m able to get up and move around much more easily. I would definitely recommend this mattress to anyone looking for better comfort and support!. Dana. NC. Wed Oct 21 2026

CertiPUR-US & OEKO-TEX Certified | Fiberglass-Free | Medium Firm + Extra Firm

Very good, very comfortable. Price excellent. Alice. US. Sat Sep 26 2026

The new Serta Perfect Sleeper Pro, our most advanced hybrid mattress, features 5 support zones designed with responsive coils and 2" naturally-derived latex foam that retains its shape to improve spinal alignment, for the ultimate in targeted pressure relief.

Very supportive extrafirm hybrid. Provides a great night's sleep.. Harvey F. Wed Aug 12 2026

The new Serta Perfect Sleeper Pro, our most advanced hybrid mattress, features 5 support zones designed with responsive coils and 3" naturally-derived latex foam that retains its shape to improve spinal alignment, for the ultimate in targeted pressure relief.

Comfy mattress cannot wait to sleep on it. Lauren S. Wed Oct 29 2025

Bring home the comfort and stability you need with this Medium Firm Gel Memory Foam innerspring Hybrid Mattress. Combining the pressure-relieving benefits of cooling gel memory foam with the targeted support of individually pocketed coils, it provides an ideal balance of comfort and firmness for all sleepers. Motion isolation ensures you and your partner rest without disturbance, while reinforced edge support enhances durability and prevents roll-off. The soft quilted gray cover, designed with modern geometric circular patterns, adds elegance and a timeless appeal to your bedroom. Certified by CertiPUR-US® and OEKO-TEX®, the materials are hypoallergenic, breathable, and safe for everyday use. This mattress arrives conveniently compressed in a box for easy transport and setup—simply unbox, unroll, and let it expand within 24–72 hours. Sleep cool, sleep supported, and sleep in style with a mattress that combines hotel-like comfort and contemporary design.

Arrived on time. Perfect mattress for me. No too firm. My only complaint is I didn't realize I received 10" when I ordered 12". I found out after I opened it. Wayfair customer service tried to make it right, but the gap between the mattress and the headboard is really bothering. Seems my dog also approved!. Carmen. Bronx, NY. Sat Jul 11 2026