Best California King Mattresses Toppers in 2026

Lightweight quilted mattress pad with hypoallergenic fill—ideal for allergy sufferers

Knitted fabric sides stretch to ensure the perfect fit; fits California king size mattresses up to 18 inches deep

Poly-cotton fabric on both sides ensures breathability and easy care

The 4-inch profile offers the highest degree of luxurious plushness, letting you sink into comfort and softness, perfect for a mattress that’s decidedly too firm

A calming lavender scent is infused directly into the memory foam to promote a relaxing and soothing sleep environment

This topper features a ventilated design to provide a more breathable and cooler feel than traditional memory foam toppers

2 inches of gel memory foam adds softness and pressure-relieving comfort to your mattress

This quick response memory foam is extremely airy and ultra-plush

Ventilated design improves airflow for a more comfortable sleep climate

PERSONALIZED COMFORT: Plush gel infused memory foam conforms to your curves for personalized comfort that hugs you to sleep—available in 2 or 3 inch mattress topper profiles

PERFECTLY PAIRED: Pair your memory foam gel topper with a mattress topper cover for added protection and enhanced comfort, or just order the topper on its own—either way we’ve got you covered

MATTRESS MAKEOVER: Rejuvenate an old mattress, soften a too-hard mattress, or simply prolong the life of your mattress with a protective layer of gel infused memory foam

PERSONALIZED COMFORT: Plush gel infused memory foam conforms to your curves for personalized comfort that hugs you to sleep—available in 2 or 3 inch mattress topper profiles

PERFECTLY PAIRED: Pair your memory foam gel topper with a mattress topper cover for added protection and enhanced comfort, or just order the topper on its own—either way we’ve got you covered

MATTRESS MAKEOVER: Rejuvenate an old mattress, soften a too-hard mattress, or simply prolong the life of your mattress with a protective layer of gel infused memory foam

4-Inch Gel Memory Foam Topper instantly revamps old mattress for superior sleep climate

Ventilated design optimizes air flow and cooling gel infusion reduces trapped body heat

Responsive memory foam is engineered for ideal pressure-relieving support

Plush California King Size Gel Memory Foam Mattress Topper: Add this plush 4 inch topper with two layers of cool cloudlike comfort; 3 inch gel memory foam plus a 1 inch pillow top cover for an all-over soft plush feel

Bedtime Made Better: This gel foam mattress topper offers plush support for all sleep positions; The fluffy pillow like cover is removable, washable, and stretches to fit your bed like a fitted sheet

Instantly Improve Any Mattress: Relieve pressure points, enjoy deeper sleep, and wake up feeling refreshed with our line of memory foam, gel memory foam, dual layer, and pillow top mattress toppers

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. 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"

***** THE PERFECT ADDITION TO A FIRM MATTRESS. Generously filled with 193oz super soft down alternative gel-fiber, this california king size mattress topper is TRULY EXTRA THICK and offers the ultimate in softness to provide cloud-like sleep comfort to your body during the night. With its exceptional loftiness and plushness, this plump mattress topper is the perfect addition to a firm mattress.

*****BEST REPLACEMENT FOR MEMORY FOAM OR FEATHER-DOWN MATTRESS TOPPER: Featuring breathable down alternative gel-fiber filling and skin-friendly soft brushed polyester fabric, this mattress topper is a great solution for people who are sensitive to feather-down mattress toppers or suffering from the odors or the heat retaining of a memory foam mattress topper. No more sweaty night with a memory foam mattress topper.

*****ULTRA COMFORTABLE PILLOW TOP MATTRESS TOPPER FOR BACK PAIN RELIEF: The generously filled and evenly distributed gel-fiber filling adds an layer of extra thick cushion on your mattress delivering instant relaxation and providing best relief and support to shoulders, back, and hips. It is ideal for side, back or stomach sleepers and can greatly relieve the back pain. It's great for Mother's Day gift.

Inner memory foam: gel-infused memory foam mattress topper uses 3.5 pound density memory foam, mattress topper with ventilated design optimizes air flow and reduce trapped body heat, creating a cooler and more comfortable sleeping environment.

Removable & washable cover: The bamboo rayon cover adopts skin-friendly knitted fabric, comes with adjustable elastic straps which fit mattress depth up to 12", equips with mesh fabric backing to prevent sliding and premium metal zipper for easy removal and washing.

Healthier sleep environment: Our memory foam mattress topper is certified by CertiPUR-US and OEKO-TEX for durability, performance and content. No formaldehyde, No harmful phthalates.

Dreamy Sleep: Our pillow top mattress topper king turns your bed into a cloud. This plush king size mattress topper is designed with optimum thickness. It is 300% thicker than any mattress pad. The soft & fluffy down-alternative fill provide extra comfort while sleeping, it feels like you are sleeping on a cloud and it will help you have a more restful and peaceful sleep.

Cool Nights: This cooling mattress topper king is designed to provide a cooler sleep, which is perfect for hot sleepers and those with foam mattresses. 100% cooling fabric from bamboo, makes it not only breathable but also silky soft, keeping you comfortable throughout the night, so you can wake up feeling refreshed.

Just The Right Softness: This soft mattress topper king adds extra softness without being too soft. This king size mattress cover is designed to provide the perfect balance of softness and support and helps in back pain relief.

High Quality for Calm Sleep - Our mattress topper is stuffed with a high-loft microfiber stuffing, turning your simple bed into a luxurious pillow-top mattress that you, your family, and your guests will surely love

Protects Your Mattress - Mattresses can be expensive, so quality mattress covers are a smart investment for long-lasting use. With Cheer Collection’s microfiber mattress toppers, you can extend the lifespan of your mattress to make the most out of your purchase

Soft Quilted Design - Add layers of relief with Cheer Collection’s plush mattress topper. The evenly distributed double-needle stitching and box-quilted pattern of our bed mattress topper leave no clumping or shifting on the cushion for absolute comfort

Designed by a doctor, our bed topper is the perfect allergy free bedding accessory that provides extra comfort and support without irritation

Achieve healthier sleep with an overstuffed mattress topper and brushed microfiber shell; traditional down feathers can harbor dust mites, mold, and mildew, triggering allergy and asthma sufferers

Box stitched for durability to prevent shifting and clumping, our extra deep mattress pad fits mattresses up to 18 inches in height, with the 2-way stretch fabric ensures a snug fit

Premium extra plush mattress topper Cal King 72x84x15 Inches is constructed from blended rayon from bamboo fabric which is silky to the touch and allows for a more comfortable nights sleep.

Cooling Pillow Top Mattress Topper: The rayon from bamboo fabric breathes extra well which counterbalances the warmness of mattresses which keeps cool in summer and warm in winter

Overfilled : Extra Thick Rayon From Bamboo Mattress Protector Pad Cover is perfect to revitalize your sleep , made from polyester fiber 66OZ filling, creates sleeping on cloud experience.

2-inch premium, memory foam offers superior comfort, refreshing a worn-out mattress or softening a too firm mattress

Ventilated open-cell memory foam increases airflow and regulates sleeping temperature, all with optimized breathability

Plush, supportive consistency quickly contours to your body shape to relieve pressure points and help align the spine

Ultra Thick & Soft Filler: HARNY pillowtop mattress topper is extra thick and supportive. With overfilled (3D + 7D) down alternative filling, evenly distributed across the top of the mattress, it can relieve pressure on the hips, shoulders, and back, while being very soft, like sleeping on the cloud every night, allowing you to enjoy the comfort of a star hotel at home.

Cool & Breathable: The top surface is made of 3D air bamboo fiber material, with breathability three times that of ordinary materials, which helps promote air circulation, reduce uncomfortable warmth or heat at night, achieve healthier sleep, and allow you to feel fully rested in the morning.

No Slip & All-round protection: 360 ° surround elastic deep pocket can tightly fit a mattress with a depth of 8-21 inches, allowing you to freely toss and turn on sleepy nights. Even if you are a crazy sleeper, you don't have to worry about sliding or moving, it will remain unchanged

MATERIAL&DEEP POCKET: Heating Mattress Pad made from premium polyester material. Electric heating wires are evenly distributed in the middle.The heated mattress pad has 5 ounces of fill, so you shouldn't feel the wires. It is very durable.This mattress pad has 8-21" deep pockets that fit most mattresses. The skirt contains strong elastic that helps it stay put.

HEAT SETTINGS:There are 11 different heat settings （L-1-2-3-4-5-6-7-8-9-H）now.You can choose the suitable temperature (ranging from 84 - 108°F) according to your requirements on the handy control panel, providing you with a warm sleeping environment.We have carefully designed 1-9 hours timing function which allows users fall asleep freely. At the same time, it also has the function of overheat protection.

VIRTUALLY NO EMF: Our electric mattress pad is engineered for the lowest electromagnetic field radiation possible. The heating element is designed with an evenly spaced pattern, which enables even warmth distribution.100% UL certified for maximum safety.

1.【Extra Thick &Double Border Technology】Innovative"Double Border Pillow Top Construction" technology not only prevents filling from moving or leak out, also enables this mattress topper overstuffed with 60% more filling, which is far beyond than average on the market. Ultra soft and comfy, reviving your too firm mattress and enjoying the luxurious comfort at home.

2.【Breathable & Durable Materials】Made of carefully selected 1500 series, the fabric is breathable, quick dry and shrink-resistant, a durable and smart choice for you. Processed with Peach skin finish, it brings a cozy feeling to touch, also wicks moisture, keeps your skin dry and cool. No more sweaty nights caused by memory foam or traditional mattresses.

3.【Easier & Healthier Solution】Without any odor of feather and extra heat build-up, a healthier solution is produced for your valuable sleep. By adding premium cushioning 4D spiral fiber and luxurious 1500 series, relief your body and mind, enjoy the benefits of an affordable down alternative mattress topper.

Pure Memory Foam - RECCI 2-inch mattress topper uses 100% pure memory foam for better performance in softness and support, and you can enjoy a cloud-like sleep and get enough support at the same time.

Pressure-Relieving Comfort - The foam mattress topper shapes your body contouring naturally and helps lower your head, neck, shoulders, back, and hip pain. You will get a well-rest sleep at night and get an energetic morning since it!

Washable Cover - The memory foam mattress topper with a 3-sided zipper cover that you can remove and wash when needed, and it with four adjustable straps over corners which can help hold the topper tightly than others. The cover also helps enhance the life of the inner foam in daily use.

Breathable memory foam designed to maintain temperature regulation while you sleep

Adjusts and conforms to the individual contours of the body for enhanced comfort and pressure relief

Gel infusion technology provides added support to any sleep surface

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

【40D Cooling Gel Memory Foam】: 3 Inch Cooling Gel-infused Memory Foam Mattress Topper is made of 40D high-density aviation grade memory foam and gel-infused beads, more breathable to keep your body from overheating easily, and would maintain a cooler constant temperature than ordinary memory foams to improve your sleeping experience.

Removable Bamboo Fabric Cover: Our mattress topper cover is removable and washable. The bamboo cover is equipped with skid-resistant surface mesh backing to prevent sliding and premium metal zipper for convenient disassembly and washing.

Improve Sleep Quality: 3” memory mattress topper conforms to the curves of your body to relieve pressure and pain, allows air flow and provides a great night sleep.

🛏️Contouring Support: The premium memory foam adapts to your unique shape for personalized comfort and support. Be ready to wake up refreshed and energetic every day!

🎋Bamboo Charcoal infused: The bamboo charcoal infusion is extremely efficient in maintaining the freshness of your topper.

❄️Highly Breathable: The gel infusion promotes a better sleep experience compared to other materials. (For hot weather, an electronic fan or air conditioner is still recommended)

【Comfortable& Decompression】3 inches of gel memory foam is put on the top layer of the mattress, infused with temperature-adjusting gel beads, avoiding overheating situations. Improving sleep quality! These designs assure the softness and support of the mattress, giving you better sleep and making you more energetic!

【Cooling Bamboo Fiber Cover】The bamboo fiber bed cover is cooled by a six-sided 3D air layer, so it has better air permeability, moisture absorption, and soft touch, which makes you sleep more comfortably. In addition, the detachable zipper, making it removable and machine-washable, not only can effectively protect the mattress cover but is also convenient and durable.

【Anti-skid Design】Small anti-skid particles are evenly distributed on the backside. The mattress can be held in place and no matter how you twist and flip the bed, it will prevent the topper from any shifting and sliding.

Memory Foam: Our gel-infused technology creates a soft, yet supportive topper. Our team ensures quality meets comfort with every topper.

Durable & responsive technology will prolong your mattress life.

Fits Cal King Size Bed Perfectly: 72" X 84" x 2" - Our topper delivers uninterrupted sleep all night long

An integrated elastic band sewn into the cover helps secure the topper in place to eliminate shifting or unwanted movement

Constructed out of soft and breathable knit material to ensure optimal comfort

The 18-inch skirt style design adds length and coverage to your bed and makes installation and removal quick and easy

【Premium Material】The mattress topper king is made of 100% anti-drilling Egyptian cotton fabric, which is breathable and skin-friendly, providing superior softness and comfort. Double layer filling design, the upper layer is filled with mixed down to maintain air circulation, reduce heat build-up and keep sweat away. The lower layer is stuffed with selected shorter length(2-4cm) feathers to reduce the risk of potential puncture and skin sensitivity, achieving optimal fluffiness and support.

【Thoughtful Design】ABENE Down Feather mattress topper innovatively designed a bedside pocket, which is suitable for items such as mobile phones, remote controls, glasses, etc., creating additional storage space and tidy space, eliminating the hassle of bed head accumulation. This storage bag is attached by buttons, easy to install and can be taken off at any time. Available in a variety of sizes: Twin 39"x75", Full 54"x75", Queen 60"x80", King 78"x80" and California King 72"x84".

【Deep Pocket & Box Baffle】360° high elastic pocket protects the mattress in all directions, flat and compliant, and ensure not shift when rolling. The extended bed skirt design is suitable for 8-21" mattresses. Box Baffle fixed-point process, fixed down and feather filling, forming a 3D structure on the surface to ensure more uniform filling to help relieve back pain and reduce pressure. Provides optimal relief and comfort for pressure points, and bring new life to your old mattress.

MEMORY FOAM MATTRESS TOPPER—Designed with the same pressure-relieving TEMPUR material found in our mattresses, this 3 inch memory foam mattress topper conforms to your body to deliver more restful sleep.

ADAPTS TO YOUR BODY—TEMPUR material responds to your body's temperature, weight, and shape for precise, personalized comfort and support.

MULTI-USE TOPPER—This conforming mattress topper is not only the perfect way to upgrade your own bed, but also enhances comfort in guest rooms, dorm rooms, for travel, and more.

【UPGRADE 2 In 1 DUAL LAYER DESIGN】Features a bottom layer of 2 inch cooling gel infused memory foam pad and an extra layer of 2 inch squishy quilted pillow top bamboo fiber cover filled with ultra-soft down alternative fiber. Comfort combined with gentle, pressure-relieving support.

【RELIEVE PAIN & CONTOURING SUPPORT】Designed to relieve pressure points. 38D responsive memory foam layer readily conforms to the curves and shape of your body to keep your spine in its natural alignment and prevent shoulder/back/neck pain regardless of sleeping position. The medium firm design totally transforms the firmness of your bed from way too soft or too firm to just right, immediately elevating your sleep into a delicious bliss.

【ULTRA COOLING & BREATHABLE】The innovative bamboo fiber pillowtop cover adapts unique weaving technology, silky and cool to the touch, which can enhance air circulation, perfect for hot sleepers. Together with the premium gel-infused in memory foam, ensuring a cooling and breathable sleep environment.

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