Top 10 Best Firm Mattress King
of November 2024
1
Best Choice
Kyvno
Kyvno
Kyvno 12" Gel-Cooling Premium Memory Foam Mattress Adjustable Bed Frame Combo, Wireless Remote, Zero Gravity, TV/PC Position, Medium Firm, CertiPUR-US Certified (Split King)
10
Exceptional
View on Amazon
2
Best Value
EEN EEN SLEEP
EEN EEN SLEEP
King Size Mattress - Upgrade Strengthen - 12 Inch Firm Hybrid King Mattresses in a Box, Mattress King Size With Memory Foam and Independent Pocket Springs, Strong Edge Support, Release Stress
9.9
Exceptional
View on Amazon
3
Zinus
Zinus
ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], King, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box
9.8
Exceptional
View on Amazon
4
Zinus
Zinus
Zinus Green Tea Memory Foam Mattress, King, White & Shalini Upholstered Platform Bed Frame/Mattress Foundation/Wood Slat Support/No Box Spring Needed/Easy Assembly, Dark Grey, King
9.7
Exceptional
View on Amazon
5
Zinus
Zinus
Zinus 10 Inch Ultima Memory Foam Mattress/Pressure Relieving/CertiPUR-US Certified/Bed-in-a-Box, King & Shalini Upholstered Platform Bed Frame/Mattress Foundation, Dark Grey, King
9.6
Exceptional
View on Amazon
6
Signature Design by Ashley
Signature Design by Ashley
Signature Design by Ashley Better than a Boxspring RTA Foundation, 14 Inch Mattress Riser, King
9.5
Excellent
View on Amazon
7
Casper Sleep
Casper Sleep
Casper Sleep Original Foam Mattress, King
9.4
Excellent
View on Amazon
8
Treaton
Treaton
Treaton Split Fully Assembled Bunkie Board for Mattress/Bed Support, King Grey, Beige
9.3
Excellent
View on Amazon
9
Zinus
Zinus
ZINUS Quick Lock Metal Smart Box Spring / 7.5 Inch Mattress Foundation / Strong Metal Structure / Easy Assembly, King
9.2
Excellent
View on Amazon
10
Sven & Son
Sven & Son
Sven & Son Split King Adjustable Bed Base Frame (Head Tilt) + 14” Luxury Cool Gel Memory Foam Mattress, Head & Foot USB Ports, Zero Gravity, Interactive Dual Massage, Wireless, Classic (Split Ki
9.1
Excellent
View on Amazon
About Firm Mattress King
Click here to learn more about these products.
Kyvno 12" Gel-Cooling Premium Memory Foam Mattress Adjustable Bed Frame Combo, Wireless Remote, Zero Gravity, TV/PC Position, Medium Firm, CertiPUR-US Certified (Split King)
ADJUSTABLE BASE 2 Twin XL Bases. Both sides can be adjusted together or separately. This Whisper-Quiet, Fully Adjustable, Upholstered Split King bed base adjusts to your needs with the touch of a button Customizing your bed position improves quality of sleep and maximizes recovery each night. SPECIAL FEATURES INCLUDE Fold-able Hinge System - Makes Base Compact Easy to Move Tool-Free Assembly Compatible with All Mattress Types Emergency Power Down Feature. WIRELESS REMOTES 2 Wireless remote with additional One-Touch button positions Flat, Anti-Snore, Zero Gravity, and TVPC. These preset buttons can also be reprogrammed to your favorite, most therapeutic positions, to fit your lifestyle. Whether youre recovering from injury, working from home, streaming movies, reading or eating in bed, Kyvno adjusts to your needs.. MATTRESS 2 Twin XL - 12 Inch, Medium Firm, Gel-Cooling Memory Foam. Our mattresses are infused with Gel-Cooling Beads and are designed to Promote Air Circulation, Eliminate Motion Transfer, and Provide Even Body Weight Distribution for ideal body support. Our mattresses are CertiPUR-US Certified, therefore certified to be made without harmful materials, heavy metals or ozone depleters. Includes Non-Slip RemovableWashable Mattress cover that can be machine washed and dried on gentle.. 120 DAY SATISFACTION GUARANTEE Sleep on and test out your bed up to 120 days. If its not a match made in heaven, contact us for a HASSLE FREE - FREE RETURN PICKUP, NO RESTOCKING FEES. No need to disassemble or pack, we take care of the entire return.. 10 YEAR WARRANTY Covers Entire Bed including Mattress, Base, Wireless Remote Control, and All Electrical Components. Contact us for more details.
King Size Mattress - Upgrade Strengthen - 12 Inch Firm Hybrid King Mattresses in a Box, Mattress King Size With Memory Foam and Independent Pocket Springs, Strong Edge Support, Release Stress
ENJOY A BETTER NIGHT'S SLEEPKing Size Mattress is composed of Independent Pocket Springs and multiple layers of high-quality memory foam, providing you with the best support and comfort, effectively releasing pressure and fatigue, relieving back pain, heat dissipation and breathability, own it You can experience a comfortable sleep experience like never before.. STRONG EDGE SUPPORTKing Mattress upgraded and strengthened Independent Pocket Springs provide strong edge support, prevent sagging, and effectively absorb movement interference between partners. Each spring fits your body curves, suitable for all sleeping positions, for you Provides perfect support.. KEEP FRESH AND COMFORTABLEThe Hybrid Mattress King is designed with soft and breathable knitted fabric and multi-layer memory foam. The smart sponge can adaptively dissipate heat so that you will not feel overheated while sleeping, and effectively relieve stress and fatigue, allowing you to sleep well every day. Wake up feeling refreshed.. KING MATTRESS IN A BOXMattress King Size is 76W x 80D x 12H, with a maximum weight capacity of 1500 lbs. The Mattress is compatible with most King Size Beds on the market. We compress and pack the Mattress into a box It makes it very easy to transport to your room, and for a perfect sleep experience, it is recommended to give the Mattress 24-72 hours to return to its best shape.. 100 SATISFACTION AFTER-SALES SUPPORTMattress provides 100-night trial and 10-year support. If you have any questions, please contact our customer support team to help and solve it. EEN EEN SLEEP Mattress has passed 100,000 pressure tests before leaving the factory. Each Mattress has been carefully and rigorously screened to ensure excellent quality. Please keep a safe distance when unpacking, as the Mattress may expand rapidly..
ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], King, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box
FOR GREAT SLEEP AND A CLEAN PLANET Featuring our patented zoned pressure relief technology designed to help reduce aches and pains through the night, this new version ships in a smaller box for a reduced carbon footprint. COMFORTABLE SUPPORT - Pressure-relieving memory foam conforms to the shape of your body while enhancing circulation and decreasing stress on your joints. ALL NIGHT FRESHNESS - The all-natural green tea and purified charcoal infusions work together to help keep your mattress fresh for many nights to come. CERTIFIED SAFE MATERIALS Crafted from high-quality CertiPUR-US certified foam and wrapped with an OEKO-TEX certified mattress cover all produced without the use of harmful chemicals for safer, healthier sleep. WORRY FREE WARRANTY - Worry-free 10-year limited warranty included twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs please allow 2472 hours for your mattress to expand to its original shape.
Zinus Green Tea Memory Foam Mattress, King, White & Shalini Upholstered Platform Bed Frame/Mattress Foundation/Wood Slat Support/No Box Spring Needed/Easy Assembly, Dark Grey, King
THE RIGHT COMBINATION - Our special recipe for rejuvenating rest Refreshing green tea and moisture-absorbing Activ charcoal infused into pressure-relieving memory foam that cradles your shape so you awake free of aches and pains and fresh as a daisy. PRESSURE-RELIEVING FOAMS - 1 inches conforming memory foam and 5 total inches durable, high density base support foam ideal for back sleepers and average-weight sleepers. CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content. EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box thats easily shipped and maneuvered into the bedroom simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours. GOOD LOOKS, CONFIDENT STYLE- With its easy-as-pie assembly, sturdy construction and elegant diamond pattern stitching, the Shalini stands the test of time and makes a stunningly chic addition to your bedroom. DURABLY DESIGNED- Interior steel framework and dense foam padding add comfort and longevity twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. NO BOX SPRING NEEDED- Durable wood slats support and extend the life of your latex, memory foam or spring mattress without the need for a box spring for the twin and full sizes, slats are spaced 2.7 inches apart, and for other sizes, slats are spaced 3.2 inches apart. EASY ASSEMBLY Everything you need is efficiently packed into one box and shipped straight to your door all parts, tools and instructions are conveniently located in the zippered compartment of the headboard for easy, two-person assembly in under an hour.
Zinus 10 Inch Ultima Memory Foam Mattress/Pressure Relieving/CertiPUR-US Certified/Bed-in-a-Box, King & Shalini Upholstered Platform Bed Frame/Mattress Foundation, Dark Grey, King
INSPIRED BY NATURE - Wholesome and natural ingredients, like green tea and moisture-absorbing charcoal work wonders in a mattress And weve designed this one to control odors, maintain freshness, and envelop your shape so you awake restored and refreshed. PRESSURE-RELIEVING FOAMS - 3 inches conforming memory foam, 2 inches airflow-enhancing comfort foam, and 5 inches durable, high density base support foam ideal for stomach sleepers and petite to average-weight sleepers. CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content. EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box thats easily shipped and maneuvered into the bedroom simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours. GOOD LOOKS, CONFIDENT STYLE - With its easy-as-pie assembly, sturdy construction and elegant diamond pattern stitching, the Shalini stands the test of time and makes a stunningly chic addition to your bedroom. DURABLY DESIGNED - Interior steel framework and dense foam padding add comfort and longevity Twin size supports a maximum weight capacity of 350 pounds, while all other sizes can support up to 700 pounds. NO BOX SPRING NEEDED - Durable wood slats support and extend the life of your latex, memory foam or spring mattress without the need for a box spring For the twin and full sizes, slats are spaced 2.7 inches apart, and for other sizes, slats are spaced 3.2 inches apart. EASY ASSEMBLY Everything you need is efficiently packed into one box and shipped straight to your door all parts, tools and instructions are conveniently located in the zippered compartment of the headboard for easy, 2-person assembly in under an hour.
Signature Design by Ashley Better than a Boxspring RTA Foundation, 14 Inch Mattress Riser, King
MATTRESS RISER Storage and reliable support all in onewhat a convenient unit. This riser allows you to take advantage of additional storage space underneath. STURDY CONSTRUCTION All metal frame construction with headboard brackets included. UNDER BED STORAGE The tall clearance leaves tons of space for you to keep storage bins and boxes under the bed. KING SIZE Includes 2 risers to accommodate a king size bed measures 75 W x 79 D x 14 H. QUICK SET UP Follow instructions for fast, easy assembly. No tools needed. Mattress is available and sold separately. DIRECT FROM THE MANUFACTURER Ashley Furniture goes the extra mile to package, protect and deliver your purchase in a timely manner. BUY WITH CONFIDENCE Designed and manufactured by Ashley Furniture Industries. The trusted source for stylish furniture, lighting, rugs, accessories and mattresses. For every taste and budget.
Casper Sleep Original Foam Mattress, King
Your purchase includes One Casper Original Foam Queen Mattress, 2020 Model with cover. Mattress dimensions 76 W x 80 L x 11 H. Foam weight 101 lbs. Softer foam around the shoulders provides more relief-push feel to the upper body. Firmer foam under the hips, waist, and lower back helps align your spine. For cooling, a top layer of perforated breathable foam helps reduce heat, Tiny holes move hot air and body heat away. The CertiPUR-US program certifies all our foams, They are made without ozone-depleting chemicals and are regulated by the Consumer Product Safety Commission Low VOC Volatile Organic Compound emissions for indoor air quality less than 0.5 parts per million. 100 night trial and free returns within 100 days of receipt of shipment on products sold by Casper on Original Foam 2020.
Treaton Split Fully Assembled Bunkie Board for Mattress/Bed Support, King Grey, Beige
BUNKIE BOARD COMES SPLIT IN TWO HALVES Making it easy and convenient to carry, travel and store. Just put the two bed boards together and its ready to use. IMPROVES YOUR NIGHTS REST By adding firm support to any kind of bed for better back support, deeper sleep, fatigue reduction, spine position and blood flow. SUPER STRONG Stitch bond fabric material that can support heavy weight, can use two side-by-side to fit the Standard Mattress, color-grey color may vary. DOESNT MOVE AROUNG Under your mattress, as your bunky board gives you consistent support which equals a great nights rest and less back stiffness. BOARDS EXTEND THE LIFE OF ANY MATTRESS Simply sliding it underneath, making your mattress feel firm, supportive, fresh and new. WORKS GREAT WITH Bunk bed, platform beds, daybeds with supporting slat system. ITEM INCLUDES 1 Bunkie BoardComes With Two Half For One Mattress,Bed Frame Not Included..
ZINUS Quick Lock Metal Smart Box Spring / 7.5 Inch Mattress Foundation / Strong Metal Structure / Easy Assembly, King
HASSLE HEADACHE FREE - The Quick Lock Metal Smart Box Spring comes together with easy-to-follow instructions, fewer bolts and absolutely no headaches assembly thats intuitive and packaging that seems to defy the laws of physics - now thats what we call a new-age box spring. DURABLY ENGINEERED - A durable steel frame is used to construct the interior framework of this foundation twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door. ASSEMBLY THATS A SNAP - Quick Snap assembly system means that this box spring comes together quicker and with fewer bolts. Worry-free 5 year limited warranty included box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.
Sven & Son Split King Adjustable Bed Base Frame (Head Tilt) + 14” Luxury Cool Gel Memory Foam Mattress, Head & Foot USB Ports, Zero Gravity, Interactive Dual Massage, Wireless, Classic (Split Ki
ADJUSTABLE BED FRAME by Sven and Son 1 BEST VALUED ADJUSTABLE BASE Independent pillow-tilt Head 0-75 foot articulation 0-45 Zero gravity Three independent heavy-duty motors with interactive dual massage 1700 lb. lift capacity 5 year non-prorated warranty on adjustable base Under-bed lighting and more Headboard not included. FREE 5 YEAR EXTENDED WARRANTY 300 Retail Value 0 DEDUCTIBLE PARTS AND LABOR in-home technician visits 100 mechanical, motors, electric, power surges, and structural coverage warranties differ greatly, we provide the best coverage available Sleep Geekz 5-star customer service included Free shipping In-home assembly available for additional fee. INTERACTIVE DUAL MASSAGE Targets aches and pains directly Pulse, wave, and full body vibration included Two USB Ports on each side of the adjustable bed frame Under-bed LED lights illuminate your space at the touch of a button Includes two full-featured ergonomic wireless backlit remotes with a flashlight 12 adjustable steel legs Mattress retention bar included. ERGONOMIC WIRELESS REMOTE Independent Pillow Tilt Zero Gravity Anti Snore TV or 3 Pre-Set Memory Buttons Flashlight Head and Foot Articulation Under Bed LED Lighting Wireless Raised Button Backlit Remotes.. SLEEP SYSTEM ALSO INCLUDES Two Twin XL 14 hybrid luxury cool gel bionic infused memory foam mattresses medium plush feel Bionic cool gel infused memory foam supports your full body, eliminating pressure points on your shoulders and hips while whisking away unwanted heat as you sleep 2 exclusive air-flow gel-memory layer 2 luxury cooling gel is infused into aerodynamically designed memory foam to create a luxurious cloud-like effect.