Gel Memory Foam Topper Twin Extra Long, Twin XL Size 2 Inch Thick, Ultra-Premium Gel-Infused Memory Foam Mattress/Bed Topper/Pad for Better Sleep and Extra Comfort. Choosing the right mattress will help you achieve restful sleep and assist in maintaining the natural shape of your spine. Memory foam is considered the best type of mattress due to its ability to contour to the body. It molds to the body and reverts back to its neutral form as soon as the exerted pressure is removed. With all of the hype surrounding the memory foam mattress type, you may find yourself wondering if memory foam is right for you. After all, there are a number of types of beds in the industry so how can a consumer be certain of which mattress is ideal? In the bed industry, the memory foam mattress is often heralded as the pinnacle of sleep comfort. However, even though as a whole the genre is highly rated, some consumers do voice complaints with this type of bed. Have you made up your mind that you are getting a quality memory foam mattress? Congratulations, this is a wise choice as you are choosing one of the most popular and comfortable materials when it comes to mattresses that help you sleep like a baby. Nothing feels better than slipping into cool sheets on a hot night, and many mattress shoppers concerned about coolness wonder if a memory foam mattress can fit the bill. Within the memory foam industry, there are a variety of formulas and iterations that can affect coolness. .