10 Best Full Size Mattress Toppers 2025 in the United States

The Viscose Made from Bamboo Full Mattress Topper by Niagara Sleep Solution features materials that blend polyester and bamboo viscose, making it ultra-soft and environmentally friendly. Its cooling properties and breathability can be beneficial for those experiencing back pain or who tend to sweat at night. The topper fits mattresses ranging from 8 to 20 inches deep, thanks to its stretchy sides, and is machine-washable for easy maintenance.

It’s designed to enhance comfort with a plush pillow-top feel that mimics 5-star hotel quality. However, the topper is not water-resistant, which may be a drawback for those seeking added protection against spills. It does not contain harsh chemicals, making it suitable for sensitive skin and allergy sufferers.

Motion isolation might be less effective due to the topper’s design, but its cloud-like cushioning could still provide a good night’s sleep for many. This product is ideal for individuals looking for added comfort, cooling features, and allergy-friendly materials in a mattress topper.

The Ultra Soft Full XL Size Mattress Topper by Niagara Sleep Solution stands out due to its material composition of 40% viscose derived from bamboo and 60% polyester. This combination ensures a soft and breathable surface that is gentle on the skin, making it a good choice for those with sensitive skin. The topper fits mattresses with depths ranging from 8 to 20 inches, providing flexibility for different mattress sizes.

The density and firmness are described as extra firm, suggesting good support that may help alleviate back pain, but individual comfort preferences may vary. Cooling features are a notable strength, as bamboo viscose is naturally cooling and sweat-absorbent, making this topper suitable for hot sleepers. Allergy considerations are also well addressed, as the topper is free from chemicals like latex and formaldehyde, potentially reducing allergen exposure.

The topper is machine washable, adding convenience for maintenance. However, the topper is not water-resistant, which might limit its durability in case of spills. This mattress topper is ideal for users seeking a soft, cooling, and hypoallergenic option with moderate support.

The LINENSPA Memory Foam Mattress Topper is designed to enhance your sleeping experience with its 3-inch gel-infused memory foam. One of the key strengths of this topper is its pressure-relieving capability, which helps contour to your body for personalized comfort. This can be particularly beneficial if you're looking to rejuvenate an old mattress or soften a too-firm one. The gel infusion is a thoughtful addition, aimed at capturing and distributing heat to keep you cool throughout the night, which is great for hot sleepers.

Another plus is the choice between a 2-inch or 3-inch profile, allowing you to customize your comfort level. Additionally, the topper is CertiPUR-US certified, ensuring it is made from high-quality materials that are safe and durable, and it comes with a 3-year limited warranty for peace of mind. Setting it up is straightforward: it arrives compressed, and you simply need to unroll it and let it expand within 24-48 hours.

It's worth noting that the topper is spot clean only, which might not be ideal for everyone. Also, while it provides good motion isolation, helping to minimize disturbances from a partner's movements, some users might find it too soft, especially if they have a preference for firmer support. This topper is well-suited for various age groups and is a practical choice for dorm rooms, guest beds, or enhancing the comfort of your everyday mattress.