Best King Size Mattress Pads of 2026

The MATBEBY King Mattress Pad is the perfect addition to your beddings with its fluffy and soft microfiber top layer and filling. It is also designed to be cooling and breathable to provide a comfortable sleeping environment without extra heat and sweat. The quilted fitted pad with a new shape is more supportive, soft, and durable. The 360-degree fabric pocket sides can be stretched to fit mattresses up to 21 inches thick and it is machine washable for easy maintenance.

The Serta Heated Mattress Pad offers you a cozy and safe way to stay warm at night. With its ETL certification, you can trust that it meets high safety standards, giving you peace of mind. This mattress pad also protects your mattress from spills and pet accidents, keeping it clean and fresh. If you share your bed, the dual zone temperature feature lets you and your partner control your own heating settings independently for personalized comfort. Plus, the auto shut-off timer lets you set the heat to turn off automatically between 1 to 12 hours, helping you save energy and avoid overheating.

The Serta Heated Mattress Pad offers personalized warmth with separate heating zones for your body and feet, so you can keep your feet cozy without overheating the rest of your body. It features dual controllers for larger beds like king size, allowing you to choose from 10 heat levels and set a timer for up to 12 hours, giving you peace of mind for a comfortable night's sleep. The pad is made with soft, high-quality microfiber layers that feel gentle on your skin while providing breathable warmth. Plus, it fits securely on your mattress with a deep elastic skirt and is easy to clean since it’s machine washable after removing the controllers.

The Valthie Heated Mattress Pad offers cozy warmth with its soft, breathable polyester fabric and evenly spread heating wires, ensuring your bed feels comfortable and warm every night. Thanks to the preheat function, you can have your bed heated before you even get in, making it perfect for chilly evenings. The pad features 12 heat levels and a timer that automatically shuts off between 1 to 12 hours, giving you control and peace of mind for safety. Plus, the dual controllers on queen size allow you and your partner to set separate temperatures, so both of you sleep just right. Cleaning is simple too—just unplug and toss it in the washing machine.

DROVAN Mattress Topper, the ultimate comfort solution for a good night's sleep. With its 7D spiral fiber filling, this topper provides excellent support, allowing you to sleep like a baby and wake up refreshed. The breathable and soft 1500 series fabric absorbs sweat, keeping you cool and comfortable throughout the night. It also prevents the filling from moving or leaking out, ensuring a long-lasting and overstuffed topper. This mattress topper is designed to offer a healthy and cozy sleep experience, with its soft surface and hypoallergenic materials. The deep pocket design fits mattresses from 8 to 21 inches, ensuring a secure fit. Enjoy the benefits of a DROVAN Mattress Topper and experience the ultimate in comfort and support.

The Taupiri King Quilted Mattress Pad Cover is a comfortable and breathable mattress pad that provides extra cushioning for a more luxurious bedtime. The air layer in the down alternative fiberfill increases circulation, allowing you to stay comfortable throughout the night. The elastic skirt stretches to fit mattresses up to 21" deep, keeping the pad in place. The box-stitch quilting prevents the filling from shifting or clumping. It is also easy to wash and maintain.

The Sealy Cotton Top Fitted Mattress Pad is a comfortable and durable addition to your bedding. The PerfectGrip skirt keeps the pad in place on mattresses up to 18”. The 300 thread-count, 100% cotton top and polyester fill provide an extra layer of comfort and protection for your mattress. The pad is machine washable and perfect for extending the life of a new mattress or rejuvenating an older one.