Best California King Size Mattresses Toppers of 2026

The Bamboo Mattress Topper King Size is a natural ultra-soft bamboo fabric that helps regulate body temperature, making it extremely breathable. It transforms an old mattress into a comfortable and cloud-like sleeping experience. The extra-deep pockets fit any mattress size, including pillow tops and extra-thick mattresses, while the added cushion can help ease back pain.

The BEDLORE Bamboo Mattress Topper offers a soft and comfortable sleeping surface thanks to its blend of 40% bamboo viscose and 60% polyester, providing you with premium quality rest. Its breathable design helps regulate temperature, keeping you cool and comfortable throughout the night, which is especially helpful if you tend to overheat while sleeping. The mattress topper is designed to fit mattresses from 6 to 18 inches deep with its deep elastic pockets, ensuring it stays securely in place without shifting or sliding. This makes your bed feel more stable and cozy, enhancing your overall sleep experience.

The DUMOS Gel Memory Foam Topper offers a cool and comfortable sleep experience thanks to its gel-infused layer that helps keep your body temperature balanced throughout the night. Its memory foam material molds to your body's shape, providing personalized support that eases pressure points and reduces discomfort. This means you can say goodbye to restless nights and wake up feeling refreshed. The topper also targets common aches by adapting to your body's contours, giving you the right support where you need it most. Overall, this mattress topper is designed to enhance your rest and relaxation every night.

The KAYFIA Thick Mattress Topper offers you a plush and supportive sleep surface with its extra thick, 1000gsm snow down alternative filling. This generous padding helps relieve pressure points and stops your mattress from sagging, giving you a luxurious feel like a five-star hotel bed. If your mattress feels too firm or causes back discomfort, this topper adds softness and comfort, helping you relax and enjoy deeper, more restful sleep. Thanks to its advanced 3D+7D gold filling design, the topper stays fluffy and soft, ensuring consistent support throughout the night. Plus, its deep pockets fit mattresses from 8 to 23 inches, keeping the topper securely in place so you can move freely without any slipping or noise.

ELEMUSE King Cooling Mattress Topper is a plush soft pillowtop with elastic deep pocket, overfilled with down alternative filling. The tightly woven and thin brushed microfiber fabric is exceptionally soft, breathable and comfortable, and it's double filled with 3D snow down alternative filling, enough soft, plush and warm. The mattress topper is extra thick and supportive, offering pressure-relief properties that provide greater support for your hips, shoulders, back, and knees. The 8"-21" elastic deep pocket will wrap your mattress perfectly so the pillow top will stay in place, and the unique box sewing pattern leaves box pockets to hold the filling and keep it evenly distributed. It is allowed to be washed in a large capacity washing machine with cold water, mild detergent and gentle cycle, and remains fluffy and clean after humble dry at low heat in extra large capacity dryer.

The ViscoSoft Memory Foam Topper enhances your sleep experience with its innovative gel-infused design. This topper promotes better airflow, helping to keep you cool and comfortable throughout the night. It also prevents sinking, aligning your spine and alleviating pressure points to reduce body aches. With this product, you can expect uninterrupted rest, as it supports a natural sleeping position while evenly distributing body heat. Plus, the removable bamboo-rayon cover is machine washable, making it easy to maintain. Say goodbye to frequent replacements and hello to quality sleep.

The Best Price Ventilated Topper is designed to enhance your sleep with improved airflow, thanks to its ventilated structure that keeps your mattress fresh. Its cooling gel infusion helps prevent heat buildup, so you stay comfortable throughout the night. The memory foam offers gentle support by relieving pressure points, which can help reduce discomfort. Plus, it’s made with CertiPUR-US certified foam, ensuring safety and quality for a better sleep experience. This topper is a great choice if you want to keep cool and enjoy extra comfort on your mattress.