10 Best King Size Mattress Topper of December 2025

List of Top Rated King Size Mattress Topper from thousands of customer reviews & feedback.

Updated On Dec 2025

2,815 Reviews Studied

By Customer Ratings

1
Image
oaskys King Mattress Pad Cover Cooling Mattress Topper Top Pillow Top with Down Alternative Fill (8-21”Fitted Deep Pocke... Read Review

  • TIPS: It's Packaged in a Vacuum Bag, Please spread It for a Few Days Before Use So It Would Return to Normal Thickness.(best Way Fluffy Again: Lay It in the Sun for a Few Hours.)
  • Feature:cool,breathable,ultra soft,beautiful,luxury
  • Design: Compared to the normal diamond quilting seam, this one with new shape is more supportive and soft.Square jacquard prevents the filling running around.Elastic fabric pocket makes it installed easier
  • Care: The spilled fluid can be wiped quickly. Machine washable.Tumble dry on low .Easy maintenance.Natural drying
  • Material:Made of 83 GSM pongee reverse.62 oz High quality fitted fiber,gives superior comfort against your skin without extra heat and sweat.

2
Image
COONP King Mattress Topper, Extra Thick Mattress Pad Cover, Cooling Cotton Pillowtop 400TC Plush Top with 8-21 Inch Deep... Read Review

  • 1. 【EXTRA THICK & LUXURY COMFORT】:Drift into a sounder, deeper sleep on this overfilled pillow top mattress topper. Filled with supportive 3D snow down alternative fill, it distributes weight evenly and alleviate pressure points, allows you sleep soundly and wake up without back pain. Ideal for side, back or stomach sleepers. Notice the difference as soon as you sleep on it.
  • 2. 【COOL & BREATHABLE】: The 400TC combed top surface features good ventilation and distributes heat to help regulate temperature. It will wick away sweat and keep you cool and dry. Reduce hot feeling caused by memory foam mattress or foam mattress topper.
  • 3.【ELASTIC DEEP POCKET】: Elastic deep pocket will wrap mattress(8-21”) tightly. It works like a fitted sheet so the mattress topper will keep in place no matter how you toss and turn on your bed. Feel free to relax on a cloud of comfort.Twin 39"x75"+18"/Twin XL 39"x80"+18"/Full 54"x75"+18"/Queen 60"x80"+18" /King 78"x80"+18"/CalKing 72"x84"+18"
  • 4. 【MACHINE WASHABLE & EASY CARE】: Be it sweat or stains, you will never get them out of memory foam topper or expensive mattress. This mattress topper will take care of them all. If it gets dirty, just throw it into a commercial washing machine, it will come out fluffy and clean after washing and drying. No expensive dry cleaning necessary. Economical and sustainable.
  • 5. 【100% CUSTOMER SATISFACTION】:Please leave it several hours before use or just put it in a dryer machine for fluffier. We provide100% satisfaction after sale service, if there is anything wrong with your order, just feel free to contact us, we will make every effort to solve your problem.

3
Image
Mattress Topper King Size Cooling Plush Pillow Top Mattress Pad/Bed Topper, Extra Thick Hotel Quality Down Alternative P... Read Review

  • Luxury Down Alternative Fill: Enjoy this cloud-like mattress topper with the overfilled plush 400TC down-alternative fill, which exhibits a soft and fluffy loftiness for the existing mattress, provides ultra comfort for all sleeping positions.
  • Pressure Points Relief: This mattress topper features an overfilled cushion providing the best relief and support for the pressure points like your shoulders, back, and hips. The extra thick layer delivers the instant relaxation, help you fall and stay asleep.
  • Natural Breathable: The fiber-fill bed topper promotes greater airflow to prevent heat buildup, maximizes comfort and temperature regulation for the restorative sleep possible. Make you wake up refreshed and recovered.
  • Easy to Care: Let minimalism refreshes your bedroom with baffle box pattern design, it also helps to keep the feather and down filling from shifting. 4 double anchor bands adapting to mattress depths up to 18", help keep plush mattress topper in one place.
  • ❤❤❤30-Night Trial: Packaged in a vacuum bag, please spread it for a few days before use so it would return to normal thickness. (Best Way Fluffy Again: Put it in a tumble dryer on low heat for 20 minutes, or lay It in the Sun for a Few Hours.) We are 24/7 available to answer your questions. Take the topper a trial with no-risk!

4
Image
Serta ThermaGel 3-in Memory Foam Mattress Topper, King Read Review

  • Breathable gel infused memory foam engineered for comfort and support
  • ThermaGel particles help provide a cool, comfortable sleep surface
  • Adapts and conforms to the individual contours of the body to provide enhanced support and comfort
  • Enhances the sleep surface and extends the life of your mattress
  • Made in the USA

5
Image
Novilla 4 Inch King Size Mattress Topper, Medium Firm Memory Foam Mattress Topper King, Gel & Bamboo Charcoal Infused fo... Read Review

  • BRINGS NEW LIFE TO YOUR MATTRESS & MULTI-USAGE- Saving yourself from the uncomfortable bed without spending, high replacement cost, you need one Novilla king size mattress topper. Our 4 inch mattress topper utilizes a 2-Layer design. Includes 1.5" cooling gel memory foam & 2.5" bamboo charcoal foam, adds extra plushness and softens firm mattresses, bounces of your traditional spring mattress, enjoys minimized motion transfer and prolongs your mattress life. Suitable for sofa bed, guest bed, RV, college dorms, Tatami, camping, outdoor Yoga and more.
  • PREVENT BODY ACHES, COOLER RESTFUL SLEEP- High-density memory foam conforms to your curves & spinal alignment, helps to relieve pressure points & enhances supportive, prevent shoulder/back/hit pain caused by over sinking or hard mattress. Suitable for side/back/stomach sleepers. Open cell & egg crate foam structure design improves air flow and breathability, regulates temperature & prevents overheating for better sleep.
  • CertiPUR-US & OEKO CERTIFIED ENSURE SAFETY - CertiPUR-US certified foam and OEKO-TEX bamboo cover to meet specific standards for no harmful chemicals, without flame retardants, mercury, less VOC. Simply allow the compressed gel memory foam mattress topper king to fully expand for 24 hours and dissipate the slight new foam smell.
  • WASHABLE BAMBOO COVER FOR HEALTH & CARE EASIER- Comes with a zippered bamboo mattress cover for better moisture absorption, breathable, removable and machine washable. 4 corner anti-slip elastic straps design to keep the king mattress topper from sliding, no need to adjust your bed daily.
  • HASSLE FREE REFUND & WARRANTY- Our cooling mattress topper offer 30 days money back return policy and a 3-year warranty. Any questions or dissatisfaction, our professional service team will help you out 24/7.

6
Image
Milemont Mattress Topper King, 3-Inch Cool Swirl Gel Memory Foam Mattress Topper for King Size Bed, Blue Read Review

  • Revitalize an existing mattress with two inches of 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 Queen, King, Full and Twin size. plush 3-inch profiles;
  • King size mattress topper measures 80x76 inch. Packed by 5-year warranty. Give it a try!!!'

7
Image
MATBEBY Bedding Quilted Fitted King Mattress Pad Cooling Breathable Fluffy Soft Mattress Pad Stretches up to 21 Inch Dee... Read Review

  • 🌙Fluffy Soft Hypoallergenic Heathier Mattress Pad🌙: High-quality microfiber top layer provides softness and comfort, ergonomically designed microfiber filling (50% 3D+50% 6D) provides softness fluffy and extra cushioning, with the hypoallergenic qualities of fabric, it is skin friendly, without odors or allergens, gives you a more luxurious bedtime.
  • 🌙Cooling Breathable Mattress Pad🌙: High-quality microfiber top makes the surface feel cooling and breathable, ergonomically designed microfiber filling (50% 3D+50% 6D) makes the whole mattress pad breathable, makes you feel cool all through the night.
  • 🌙Quilted Fitted Mattress Pad🌙: Quilted fitted technology makes the mattress pad fit the mattress very well and keeps the fill from shifting or clumping, keeps the thickness of the mattress pad keeps consistent, makes the mattress pad durable, helps defend your new mattress from damage, stains, sweat, skin oils.
  • 🌙Mattress Pad with Deep Pocket🌙: Strong deep 360 degrees elastic skirt stretches to fit mattress up to 21" deep for almost all the use, keep mattress pad stay tightly with the mattress. King Mattress Pad (78''x80'').
  • 🌙Easy to Wash and Maintain🌙: Machine washable, under gentle cycle with cold water, tumble dry low. It will keep shape even after more than 100 times machine washing. Easily washable help fight allergen accumulation. DONOT iron, DONOT dry clean.

8
Image
LINENSPA 3 Inch Gel Infused Memory Foam King Mattress Topper Read Review

  • 3 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. Materials - 100% Polyurethane Memory Foam Gel Beads
  • Available in plush 2 inch and 3 inch profiles; The 3 inch topper will hug your body more than the 2 inch topper
  • A comfortable and affordable way to rejuvenate an old mattress, soften a hard mattress, and prolong mattress life; Backed by a 3 year warranty

9
Image
EASELAND King Size Mattress Pad Pillow Top Mattress Cover Quilted Fitted Mattress Protector Cotton Top 8-21" Deep Pocket... Read Review

  • King Mattress Pad 78x80 inch,21 inch Deep Pocket, 63 oz Elastic & Hollow Down Alternative Microfiber
  • Soft: With 30oz down alternative fillings,this pad will add great softness to your firm mattress.
  • Skin-friendly:300TC 100% cotton surface will absorb sweat making it breathable.Filled with down alternative fillings.
  • Fitted Sheet Style:Adopting the deep pocket design which will easily stretch up to 21 inch with 130GSM Single-track Elastic Fabric, no matter how you move on the bed this pad will keep neat all the nght.no worry of a messy bed anymore
  • Machine Washable:Machine washable under gentle cycle and make it fluffy again dried under the sunshine.

10
Image
Sure2Sleep Gel Swirl Memory Foam Mattress Topper Made in USA 2-Inch (King) Read Review

  • ✅ COOL GEL SWIRL INFUSED MEMORY FOAM provides total comfort. Cool Gel Swirl infused memory foam, combined with our breathable open cell technology, keeps your bed temperature neutral and comfortable for a restful night’s sleep.
  • ✅ GREAT WAY TO REJUVENATE AN OLD MATTRESS. Easy to place on top of your mattress and under your mattress cover. Makes a great sleeping surface for futon beds as well.
  • ✅ TOTAL PRESSURE POINT RELIEF. The Sure2Sleep Cool Gel Swirl memory foam mattress topper readily conforms to the curves and shape of your body to reduce aches and pains while you sleep regardless of sleeping position.
  • ✅ TO PROVIDE A HEALTHIER SLEEP ENVIRONMENT, the Sure2Sleep Cool Gel Swirl memory foam topper is made of CertiPUR-US certified materials. The Sure2Sleep Cool Gel Swirl memory foam topper meets or exceeds standards for content, emissions, and durability, and has been analyzed by independent, accredited testing laboratories. MADE IN THE USA.
  • ✅ COVERED BY SURE2SLEEP’S 30 NIGHT NO RISK SLEEP TRIAL. If you are not satisfied within the first 30 nights, contact Sure2Sleep for a complete refund. COVERED BY A FULL 3 YEAR WARRANTY that offers complete protection for your Sure2Sleep topper purchase. (King measures 79 x 75 x 2 inches).