Cool Gel Infused: This gel infused full size mattress topper can help regulate your body temperature while you sleep, and the ventilated design is helpful for air circulation and skin breathability. You can sleep more comfortably and avoid waking up in the middle of the night due to overheating. Fiber Cover: The bamboo fiber cover of this full foam mattress topper is soft and breathable for the skin, can help you stay cool, keep dry and comfortable throughout the night, also can help reduce the risk of skin irritation and other related problems. Extra Firm Mattress Topper: This queen size mattress topper provides added support for your body, especially for people who require more support for their back and neck. This can help alleviate discomfort in pressure points, such as the hips, shoulders, and lower back.