The Best King Size Mattresses in 2021

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Best Choice Products 10in King Size Dual Layered Medium-Firm Memory Foam Mattress w/Open-Cell Cooling, CertiPUR-US Certified Foam, Removable Cover

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SCORE
9.4
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Best Choice Products

MEDIUM-FIRM, DOUBLE-LAYERED: Designed for optimal comfort with a 2.5-inch thick memory foam layer and 7.5-inch thick polyurethane foam layer
MEMORY FOAM COMFORT: The memory foam conforms to your body type without pressure or pinchingmore

King Mattress, Ssecretland 14 inch Gel Memory Foam Mattress with Breathable Cover (Mattress Only) Medium Feels-Bed Mattress in a Box

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SCORE
9.4
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
S SECRETLAND
Prime

The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals. eco-friendly and durable. The mattress meets CFR1633 Standard which means itself is hard to burn,therefore safe to use.
Gel foam disperses temperature accumulation to maintain a constant mattress temperature. help your body for a more comfortable night's sleep. high-density base support foam provides surrounding support and responsive relief that helps evenly distribute pressure points in any sleeping position. This ergonomics design enables the mattress to mold to the sleeper's natural shape and keeps you cool while you sleep, it strikes a balance between firmness and softness.more

Sweetnight SN-M002-K Breeze 12 Inch King Size Mattress Medium Firm, Ventilated Memory Foam Mattress for a Deep Sleep, Supportive & Pressure Relief, White Gray

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SCORE
9.2
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Sweetnight
Prime

Comfort & undisturbed sleep - King size mattress is made of 3”gel infused memory foam for slowly adjusting to your body weight and temperature for a comfort cooling feeling 3 5”unique air flow foam design provides adjust combination of cushioning comfort and enhanced support 5 5”high-density foam provides edge support resists sagging & rolling-off no matter when you sleep alone or next to partner. The mattress is the perfect blend of comfort and motion separation for an undisturbed sleep
Sleep cooler - This King mattress is made from gel memory Foam which provides cradling support helping to dissipate body heat designed to pull heat from your body our breathable foam has millions of open cells acting as airway chambers. They allow maximum airflow so the foam breathes for unbeatable temperature regulationmore

King Size Mattress, 12 Inch Iyee Nature Cooling-Gel Memory Foam Mattress Bed in a Box, Supportive & Pressure Relief with Breathable Soft Fabric Cover, Medium Firm Feel,Gray

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SCORE
9.2
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
IYEE NATURE
Prime

【TRIPLE-LAYERED DESIGN】Iyee Nature 12 inch king mattress dimensions: 76"*80"*12".Iyee Nature 12 inch Cooling-Gel Memory Foam Mattress is designed with three layers all-foam system. To improve support and heat dissipation，mattress include 2.5” memory foam, 2.5” comfortable layer, and 7” high density base support foam for ultimate comfort. It includes a soft hypoallergenic cover that is washable for your convenience.
【EASY SHIPPING & SET-UP】Fast Mattress Delivery – compressed and compact mattress in a box for efficient shipping and handling.more

King Mattress, Sweetnight 12 Inch Soft Pillow Top King Size Mattress - Individually Wrapped Pocket Springs Hybrid Mattress with Cooling Gel Memory Foam for Motion Isolation & Cooler Sleep, Island

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SCORE
9.2
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Sweetnight
Prime

Included components: Mattresses & Mattress Frames;Mattresses and Accessories;mattresses
MOTION ISOLATION FOR A RESTFUL UNDISTURBED SLEEP-The king size mattress works independently to provide localized bounce in different zones. Allows each coil of this hybrid mattress to move independently for more targeted support and reduced motion transfer between partners for an undisturbed night of rest. Provides you the best of both worlds with innerspring mattress support and memory foam comfort.more

Vibe Gel Memory Foam 12-Inch Mattress / CertiPUR-US Certified / Bed-in-a-Box, King

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SCORE
9.2
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Vibe
Prime

2 inches of gel-infused memory foam combined 3 inches of gel-infused foam draws heat away from your body for a more comfortable night's sleep
Medium-plush feel and adjustable base friendlymore

Queen Mattress, Avenco Cold Foam and Innerspring Mattress Queen, 10 Inch Grey Hybrid Mattress in a Box, Excellent Support with Dual Perimeter Edge Support System

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SCORE
9.2
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Avenco
Prime

✪ Breathable and cooling - The gel-infused queen size mattress with an open cell of gel memory foam provides excellent breath-ability and gel memory foam can regulate body temperature, keep cooling all night long. You will sleep with a suitable temperature so that comfortable and quality sleep can be continued, and your body and mind can get better rest.
✪ High-quality materials & More comfortable - The excellent warp knitting technology improves the abrasion resistance, wrapping, and breath-ability of the side of this mattress queen. The high elasticity of the surface is the characteristic, the rebound is just right. Use "breathable material" with high ventilation, you can sleep more comfortably.more

Sweetnight King Mattress- King Size Mattress in a Box, 12 Inch Plush Pillow Top Gel Memory Foam Hybrid Mattress with Motion Isolating Individually Wrapped Coils, Bed Mattresses for Pressure Relief

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SCORE
9.0
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Sweetnight

RISK FREE 10-YEARWARRANTY & EASY SET UP-Sweetnight king bed mattress offers 10-year limited warranty and 30-day return-free policy. Our mattresses king size are compressed, rolled & shipped in a box conveniently to your door for easy set up. Fits all queen bed frames, such as box spring/floor, slatted base, flat or platform. Recovery of 72 hours is recommended for your new mattress to get to its original, plush shape and dissipate the odor.
MOTION ISOLATION ,UNDISTURBED NIGHT’S SLEEP- Sweetnight 12 inch king mattress was engineered with individually wrapped steel innerspring coils and three unique layers of memory foam. Contours to the position of your body. Offers a peacefully undisturbed night’s sleep on our king size mattress with your partner and/or kids. While each individually wrapped spring acts independently providing superior movement isolation and a medium firm support.more

King Size Mattress, JINGWEI 11 Inches Cooling-Gel Memory Foam Mattress Bed in a Box, Certified Foam, Pressure Relief Supportive, Medium Firm, 76 X 80 X 11 inches

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SCORE
9.0
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
JINGWEI
Prime

【Bed in a Box】Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed. King Mattress Dimensions: 76 X 80 X 11 inches.
【No Risk】Our mattress has an honest 10 year limited warranty and 30-days money-back return policy. Please allow up to 72 hours for the mattress to fully expand, if you have any questions at all, do not hesitate to reach out!more

Ashley 12 Inch Gel-Infused Plush Hybrid Mattress - CertiPUR-US Certified, King

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SCORE
8.8
AI Score

AI Score is a ranking system developed by our team of experts. It from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.
Brand
Signature Design by Ashley
Prime

READY FOR INSTANT ENJOYMENT: Arrives in a box. Simply unbox, cut the protective wrap, unroll and watch the mattress expand. Mattress is safe to sleep on immediately but can take 72+ hours for any risidual odors from packaging to dissipate and for mattress to completely expand based on ambient room temperature, humidity, air pressure & ventilation.
KING SIZE: Measures 76" W x 80" D x 12" H and is compatible with most king bed framesmore

Last update on 2021-01-25 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

4.5

2 ratings

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