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Updated: 26 Nov 2025

10 Best Bed California King Mattress Topper

#1
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Giselle Bedding 1000GSM Bamboo Matress Topper King, Bamboo Charcoal Filling 5cm Thick Pillowtop Toppers, Washable Hypoallergenic Underlay Mat Pad Mattresses Protector with Elastic Deep Pocket

Brand: Giselle Bedding
$63.95
โญ 4.1
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    Luxurious Comfort Transform your sleep experience instantly with our Giselle Bedding bamboo mattress topper. This king bed topper adds a plush layer of comfort over your existing mattress, providing a soft, luxurious feel that enhances relaxation and promotes restful nights
  • Soft Microfibre Crafted with a generous bamboo charcoal microfibre filling and a 400 thread count, this mattress topper king size offers a lofty cushion that supports your every movement. The 1000gsm weight ensures exceptional softness, making your sleep experience truly indulgent
  • Optimal Weight Support Designed to evenly distribute your weight, this king mattress topper is constructed to resist memory impressions. The diamond-pattern stitching keeps all fillings securely in place, ensuring consistent support and comfort, regardless of your sleeping position or movements
  • Secure Elastic Fit This king bed mattress topper features a fully-fitted elastic skirt designed to accommodate mattresses up to 45cm thick. The secure grip ensures the topper stays in place throughout the night, enhancing your sleeping experience and preventing any slipping
  • Hygienic & Easy Care Our bamboo mattress topper is not only dust mite resistant but also machine washable for easy maintenance. This ensures a fresh and hygienic sleeping surface, allowing you to enjoy peaceful nights with complete peace of mind regarding cleanliness and comfort
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#2
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Mattress Topper California King - Cooling Pillow Top Pad for Bed - Thick Mattress Pad Topper Cover for Back Pain - Soft Bed Down Alternative Overfilled - 8-25 Inch Deep Elastic Pocket - White

Brand: WOMOX
$115.15
โญ 4.2
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    Super Thick & Cloud ComfortExperience the ultimate comfort of mattress topper filled with 3D and 7D microfiber snowflake cotton blend for support and softness. The extra 2-inch-tall topper is designed with double padding for increased thickness, providing more lasting and fitting support throughout the body, relieving soreness and fatigue. The fluffy ultra soft mattress pad combined with the upgraded coat makes it more breathable and allows for faster temperature adjustment.
  • Breathable & Skin-friendlyMattresses topper are certified by Oktex and CertiPUR-US, more safety and reliability. Cooling mattresses pad are made of jacquard fabric and classic check pattern, breathable and upgraded. The thickened quality fabric is more skin-friendly and gentle, perfect for people with sensitive skin. This mattress creates a nice protective barrier that helps ensure a clean and healthy sleeping environment that stays comfortable all night long!
  • Machine Washable & Thoughtful DesignThick mattress topper cover are easy to clean and maintain. This mattress is a machine washable mattress protector and upgrader that will help protect your mattress from moisture and breakage. It's perfect for pet owners who want to protect their mattresses pad. Just use this mattress is a brand new bed! The 8 to 25inch super elastic deep pockets are designed to fit all types of firm mattresses topper, making them easier and more stable to use.
  • Gift SelectionThick cooling mattress topper tops are available in a variety of sizes to make them perfect for your pillow top mattress topper. It's also an ideal gift for loved ones who want to experience the ultimate comfort and supportlike Mother's Day, Father's Day, Christmas, Thanksgiving and new home gifts.
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#3
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LINENOVA 1000GSM Bamboo Mattress Topper King รขโ‚ฌโ€œ 5cm Thick Pillowtop Underlay, Hotel-Style Comfort, Hypoallergenic & Washable, 45cm Deep Fitted Skirt Bed Topper

Brand: LINENOVA
$85.99
โญ 4.1
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    5cm Thick Comfort Layer : Adds supportive plushness to firm or aging mattresses, offering an instant sleep upgrade.
  • Naturally Breathable Bamboo Blend Fill: Filled with 40% bamboo fibre and 60% microfibre, this blend delivers better breathability, moisture control, and odour resistance than regular polyesterideal for hot sleepers and Australias changing climate.
  • Hypoallergenic & Skin-Friendly: Bamboo fibres offer natural antibacterial and odour-resistant benefits, ideal for allergy sufferers and sensitive skin.
  • Secure Fit with Deep Elastic Skirt: Elastic sides fit mattresses up to 45cm deep and prevent movement, even during restless nights.
  • OEKO-TEX Certified & Easy Care: Designed for durability and everyday use, with a shape-retaining fill that holds up after multiple washes. OEKO-TEX certified for safety and peace of mind.
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#4
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Anluoer Memory Foam Mattress Topper California King for Back Pain, Rayon Derived from Bamboo Pillow Top Mattress Topper for Hot Sleepers,Thick Mattress Pad with 8-21" Deep Pocket, 72x84 Inches, White

Brand: Anluoer
$155.18
โญ 4.1
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    Cool & Breathable California King Mattress Topper - Experience all-night comfort with our cooling mattress topper featuring a premium 40% rayon derived from bamboo + 60% polyester air-layer fabric. This cooling mattress topper queen size bed essential combines silk-like softness with 3D ventilation technology - perfect for hot sleepers and sensitive skin.
  • Pressure-Relieving Pillow Top Support - Our shredded memory foam mattress topper queen design blends 50% adaptive memory foam with 50% hypoallergenic fiberfill. At 1200GSM density and extra-thick cushioning, this thick mattress topper queen provides optimal spinal alignment and back pain relief - making it the ultimate mattress topper for back pain relief.
  • Deep-Pocket Secure Fit - The 360 elastic skirt effortlessly hugs mattresses 8"-21" thick. Works seamlessly as a mattress protector topper that stays firmly in place - no slipping, no bunching.
  • Easy-Care Mattress Pad - This washable mattress pad cal king size bed solution fits commercial machines! Simply machine wash cold, tumble dry low, and enjoy renewed fluffiness. Pro tip: Let air-fluff after unboxing for maximum loft.
  • Oeko-Tex & Satisfaction Guarantee - Oeko-Tex certified mattress topper california king size bed essential. Love your cooling mattress topper or contact us hassle-free - we stand by every memory foam mattress topper with 100% support.
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#5
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Luxton 1000GSM Bamboo Mattress Topper King Size Hotel Style Pillowtop Fitted Mattress Topper, Washable Hypoallergenic Medium to high loft Profile Mattress Topper Underlay (King Size)

Brand: Luxton
$88.95
โญ 5
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    King size: 180 x 203cm + 48cm fitted skirt
  • Hotel style double-pipping 5cm support Gusset
  • Overall 1000GSM - high loft softness
  • Hypoallergenic - low allergenic protection with breathable Bamboo Blended filling
  • Fully fitted design with 40cm shirt stretchable up to 50cm
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#6
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Kingnex Split California King Mattress Topper for Adjustable Bed 2 Cali Twin XL 36x84 Fluffy Matress Cover Quilted Fitted Mattress Pad with Deep Pocket

Brand: Kingnex
$196.20
โญ 4.1
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    Fluffy & Soft - Our pillowtop cover is filled with premium plush microfiber filling that provides added cushion and breathability to your bed
  • Reversible - This mattress topper has 2 different type surface. One side is made with bamboo terry to keep you warm and cozy when cold, the other side is made with brushed microfiber, soft to touch and maximize ventilation for a cooler sleep
  • Elastic Deep Pocket - The fitted sheet style side skirt can be easily stretched to fit mattresse, will stay in place with your bed
  • Size Information - Split cal king =2 cali twin xl 36"x84" with up to 16" deep pocket
  • Easy Care - Machine washable in cold water on gentle cycle. Tumble dry low heat.
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#7
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SINWEEK 3 Inch Gel Memory Foam Mattress Topper Ventilated Soft Pressure Relieve Mattress Pad, Breathable Bed Topper, CertiPUR-US Certified, California King Size

Brand: SINWEEK
$171.31
โญ 4.7
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    GEL MEMORY FOAM MATERIAL: Our memory foam mattress topper readily conforms to the curves and shape of your body, distributes weight evenly to alleviate pressure points for better sleep.
  • MORE COMFORTABLE SLEEP: The gel memory foam material used in our mattresses reduces heat and improves the airflow to refresh the gas permeability; add to the mattress for custom comfort.
  • SOFT BUT NOT FOLDABLE: our mattress is soft, do not roll up and store too long after opening, and do not put items on top, which will increase the risk of tearing.
  • CertiPUR-US CERTIFIED: Our Gel Swirl memory foam topper is made of CertiPUR-US certified materials. The Gel Swirl memory foam topper meets or exceeds standards for content, emissions, and durability.
  • BEFORE FIRST USE: leave the memory foam flatly in a well ventilated area for 48-72 hours until its fully expanded. In addition, we offer a three-year and 24-hour manual customer service to ensure your after-sales service..NOTE: The softness of the Mattress Topper is influenced by the temperature. In the cold winter Mattress Topper will become harder.
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#8
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Kingnex Quilted Split California King Mattress Topper Pad for Adjustable Bed Breathable Fitted Fluffy Pillow Top Mattress Pad

Brand: Kingnex
$168.24
โญ 4.7
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    Soft - Our pillow top cover is quilted with plush microfiber filling that provides added cushion and breathability to your bed
  • Fitted Sheet Style - The mattress topper is fitted sheet skirt to fit most mattress with different depth
  • Comfortable - The surface is made with brushed microfiber, gentle touch to the skin
  • Size Information - Split cal king =2 cali twin xl 36"x84" with up to 16" deep pocket
  • Easy Care - Machine washable in cold water on gentle cycle. Tumble dry low heat.
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#9
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LUCID Memory Foam Soft and Breathable-Machine Washable Mattress Topper Cover, California King, White

Brand: LUCID
$83.02
โญ 4.7
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    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
  • This cover is machine washable and dryer safe on low; the easy-to-clean solution to protect your topper
  • Available in a variety of different sizes: California King, King, Queen, Full, Twin, Twin XL
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#10
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EASELAND California King Mattress Pad Pillow Top Mattress Cover Quilted Fitted Mattress Protector Long Cotton Top 8-21" Deep Pocket Cooling Mattress Topper (72x84 Inches, White)

Brand: EASELAND
$168.70
โญ 5
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    California King Mattress Pad 72x84 inch,21 inch Deep Pocket, 62 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 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.
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