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Best 3′ King Size Mattress Topper
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LUCID 3 Inch Bamboo Charcoal Memory Foam Mattress Topper – King
$89.99
$111.59
Last update was on: February 23, 2025 12:16 pm
- 3 inches of ventilated gel memory foam adds softness and pressure-relieving comfort to your mattress
- Special memory foam formula is extremely soft, airy and responsive
- Ventilated design improves airflow for a more comfortable sleep climate
- Memory foam is infused with a plush gel material that captures heat to control temperature
- New foam scent is normal and will dissipate over the first 48 hours after opening
LUCID 3-inch Gel Memory Foam Mattress Topper – King
$84.99
$126.64
Last update was on: February 23, 2025 12:16 pm
- ????????Upgraded Comfort???????? 3 inch thick memory foam mattress topper adds much softness and comfort to an existing mattress.This mattress topper supports shoulder, back, and hip, helping relieve pain and guarantees a pressure-free and undisturbed sleep all night long, let you full of energy every morning.
- ????????100% Gel Infused???????? Our king size Mattress Topper infused with gel material that captures and distributes heat for a cooler memory foam experience,so you can say goodbye to sweaty nights, and enjoy a comfortable and refreshing nights rest
mecor 3 inch Gel Infused Memory Foam Mattress Topper with Certipur-US Certified-King Size-Ventilated Cooling Design-Purple/3”
$149.99
$209.99
Last update was on: February 23, 2025 12:16 pm
- KING MATTRESS TOPPER: Drift into a sounder, deeper sleep on this 4-inch king pillow top mattress cover ideal for side, back or stomach sleepers.
- DUAL LAYER: A machine-washable cover holds both layers perfectly in place for unbeatable comfort that feels like you're sleeping on a cloud.
- GEL MEMORY FOAM: Every body is unique and deserves personalized comfort-Cooling gel memory foam draws heat away from the body to create the optimal sleep temperature.
Sleep Innovations Gel Memory Foam 4-inch Dual Layer Mattress Topper, Made in the USA with a 10-Year Warranty – King Size
$119.99
$151.19
Last update was on: February 23, 2025 12:16 pm
- 3 inches memory foam mattress topper adds comfort and softness to your old mattress.
- Light and breathable open cell memory foam conforms to the curves of your body, aligns the spine, and relieves pressure points.
- Memory foam is infused with a plush gel material that captures heat to control temperature.
- Certipur-us certified means this high-quality memory foam is made with no harmful chemicals and meets all safety standards.
Mattress Topper King, Memory Foam Mattress Topper for King Size Bed, 3 Inch
$72.71
$85.07
Last update was on: February 23, 2025 12:16 pm
- 2-inch memory foam mattress topper with five zones targeted to maximize comfort
- Memory foam is infused with cooling gel and textured to improve breathability
- Raised zones alleviate pressure at the different contact points of the body
- Premium memory foam is extremely soft, airy, and responsive
- King size mattress topper measures 79" x 75" and comes with a 3-year U.S. warranty
Lucid 2 Inch 5 Zone Gel Memory Foam Mattress Topper – King
$102.60
$139.54
Last update was on: February 23, 2025 12:16 pm
- Enjoy the immediate cloud like softness and pressure-relieving comfort and support without having to buy a brand new mattress
- Unique egg crate design increases air flow and regulates body temperature for a more comfortable sleep Climate
- 3 inches of high quality CertiPUR US certified memory foam
- Specially sized to accommodate your regular sheets
- removable and machine washable zipper mesh topper cover is included for free
Classic Brands 3-Inch Cool Cloud Gel Memory Foam Mattress Topper With Free Cover, King
$109.99
$122.09
Last update was on: February 23, 2025 12:16 pm
- Revitalize an existing mattress with three inches of ultra-plush memory foam that conforms to your curves and hugs you to sleep
- Infused with temperature regulating gel beads that capture and dissipate heat to help prevent overheating
- Comfortable memory foam distributes weight evenly to align the spine and alleviate pressure points
- Available in plush 2-inch and 3-inch profiles
- the 3-inch topper will hug your body more than the 2-inch topper
LINENSPA 3 Inch Gel Infused Memory Foam Mattress Topper – King
$84.99
$105.39
Last update was on: February 23, 2025 12:16 pm
- BREATHABLE FABRIC FOR ULTRA COMFORT. The light breathable fabric allows for effective air flow so you're able to enjoy a refreshing and restful relaxation experience. Stay perfectly cool and comfortably warm with optimal temperature control. Avoid being hot and sweaty.
- IMPROVED POCKET DEPTH. We've redesigned our bestseller mattress topper to increase the pocket holds and add extra overall support for any sleeping position. After receiving it, pop it dry into the tumble dryer to fluff it up and add a layer of softness to your mattress. Enjoy supreme restful sleep.
D & G THE DUCK AND GOOSE CO Plush Mattress Topper with Deep Pocket Fitted Skirt, Hotel Quality Jacquard Down Alternative Mattress Pad Noiseless Bed Topper 2" H, King
$89.99
$125.09
Last update was on: February 23, 2025 12:16 pm
- Rejuvenate your mattress with memory foam and support foam for ideal comfort and support
- Green tea extract and castor natural seed oil naturally eliminate odor-causing bacteria
- Only the highest Quality memory foam - memory foam is CertiPUR-US certified for durability, performance, and Content
- Worry Free 5 year limited Warranty
- Available in Twin, Full, short Queen (RV), Queen, King
- Toppers typically take 48 hours to expand, sometimes longer. Other factors, like cold weather, can also affect decompression times. Please allow up to 48 hours for your mattress topper to fully expand and for any potential odor to dissipate
Zinus 3 Inch Green Tea Memory Foam Mattress Topper, King
$112.49
$132.74
Last update was on: February 23, 2025 12:16 pm
- 4 inches of thick, plush gel memory foam add a soft and conforming feel that will result in a deeper sink that cradles your body more than a thinner topper
- Infused with gel material that captures and distributes heat for a cooler memory foam experience
- Ventilated design improves airflow and breathability
- Memory foam distributes weight evenly and conforms to curves to alleviate pressure points
- New foam scent is normal and will dissipate over the first 48 hours after opening
LUCID 4 Inch Gel Memory Foam Mattress Topper-Ventilated Design-Ultra Plush-King
$75.99
$84.35
Last update was on: February 23, 2025 12:16 pm
- LUXURY DOWN ALTERNATIVE FIBER: This king size mattress topper utilizes 300TC expensive microfiber for ultimate coziness, fluff and long-lasting use. 100% cotton cover creates a soft touch feeling, sleep like a baby!
- PRESSURE POINTS RELIEVE: Overfilled to 3 inches to gently cushion pressure points like your shoulders, back and hips and provide the superior soft feeling to the touch. Help you fall and stay asleep.
Marine Moon King Mattress Topper, Plush Pillow Top Mattress Pad/Bed Topper, Hotel Quality Down Alternative, 3" Thick
$67.31
$80.77
Last update was on: February 23, 2025 12:16 pm
- 3 inches of cool gel memory foam for ideal sleeping comfort
- Air flow pattern for cool support
- Green tea extract and castor natural plant oil naturally eliminate odor-causing bacteria
- Only the highest Quality memory foam - memory foam is CertiPUR-US certified for durability, performance, and Content. Worry Free 5 year limited Warranty
- A cover is not included as our memory foam topper can fit under any standard fitted or deep-pocket fitted sheet
Zinus 3 Inch Swirl Gel Memory Foam Air Flow Topper, King
$105.99
$145.21
Last update was on: February 23, 2025 12:16 pm
- Plush 3-inch memory foam topper is infused with gel to help regulate temperature so this topper sleeps cooler than a regular memory foam topper
- Light and breathable open cell memory foam conforms to the curves of your body, aligns the spine, and relieves pressure points
- CertiPUR-US certified means this high-quality memory foam is made with no harmful chemicals and meets all safety standards
- allow 48 hours for new foam smell to dissipate
Linenspa 3 Inch Gel Swirl Memory Foam Topper – King
$89.99
$108.89
Last update was on: February 23, 2025 12:16 pm
- 3 inch thick memory foam mattress topper adds softness and comfort to an existing mattress
- Memory foam infused with lavender scent, known for its natural calming and relaxation benefits
- Ventilated design for improved breathability
- Foam is CertiPUR-US certified for highest standards of safety and performance
- New foam scent is normal and will dissipate over the first 48 hours after opening
- this product features a 3-year warranty
LUCID 3 Inch Lavender Infused Memory Foam Mattress Topper – Ventilated Design – King Size
$114.99
$166.74
Last update was on: February 23, 2025 12:16 pm
- 3" Thick 100% premium memory foam mattress topper
- ventilated for improved airflow and breathability
- Naturally resistant to allergens and dust mites
- Lucid memory foam formula offers superior comfort and pressure relief
- Open cell technology prevents lasting body impressions
- New foam scent is normal and will dissipate over the first 48 hours after opening
LUCID 3 Inch Ventilated Memory Foam Mattress Topper 3-Year Warranty – King
$139.99
$187.59
Last update was on: February 23, 2025 12:16 pm
- Super plush 4-inch memory foam topper is infused with gel to help regulate temperature so this topper sleeps cooler than a regular memory foam topper
- Light and breathable open cell memory foam conforms to the curves of your body, aligns the spine, and relieves pressure points
- Certipur-us certified means this high-quality memory foam is made with no harmful chemicals and meets all safety standards
- Allow 48 hours for new foam smell to dissipate
Linenspa 4 Inch Gel Swirl Memory Foam Topper – King
$169.99
$207.39
Last update was on: February 23, 2025 12:16 pm
- ????【Pressure Relief】: Using memory foam mattress topper on old mattress will improve sleep experience. Memory foam helps you evenly disperse pressure on your back and buttocks, relieve your pain, help you relax completely and create a perfect sleep environment for you
- ????【Active Cooling Design】: Mattress topper has a detachable cooling cover, fabric is made of unique high-tech cooling technology, memory foam mattress topper is injected into the cold gel, porous ventilation design is more breathable, and all exquisite design will reduce sweat during sleep
Lauraland Memory Foam Mattress Topper King, 3-Inch Active Cooling Design Bed Topper with Removable Hypoallergenic Cover, CertiPUR-US 10-Year Warranty
$99.00
$147.51
Last update was on: February 23, 2025 12:16 pm
- ✅ 3 POUND DENSITY. Not the 2 pound density or less found in cheaper mattress toppers. Higher density foam means the Sure2Sleep memory foam mattress topper will maintain its plush feel and last longer than cheaper alternatives. Compare shipping weights! Know what you are buying.
- ✅ COOLING GEL INFUSED memory foam for your individual comfort. Gel infused memory foam keeps your bed temperature neutral and comfortable for a restful night’s sleep.