10 Best Full Size Mattress Toppers 2025 in the United States

The Mattress Topper Full by IULULU is made of gel-infused memory foam, which is designed to provide a cool and comfortable sleeping surface. The ventilated design with air holes helps absorb moisture and sweat, adding to the cooling features. Available in two thickness options (2-inch and 3-inch), it allows you to choose the level of cushioning and support you prefer.

The gel memory foam is high-density and slow-rebound, which adapts to your body shape, offering pressure relief and better support for various sleep positions. This topper is CertiPUR-US certified, guaranteeing durability and quality. Setting up is straightforward as the topper comes compressed in a box; simply unbox, unroll, and let it expand in a well-ventilated space for 48-72 hours.

It's practical for enhancing comfort and maintaining the condition of your mattress. The cooling feature is a strong point, but in colder environments, the topper might take longer to expand fully. This product is most suited for those looking to improve their mattress comfort and achieve better sleep quality with cooling benefits.

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.