Kadri Janan. futon. June 30th , 2017.
However, many people don't realize that this same insulating capability makes wool a great material for mattress toppers on summer beds as well. The air pockets created by the wool allow air to circulate around the sleeper, helping to keep them cool on the hottest summer nights.
Airbeds (another type of mattress) use air for primary support as opposed to innersprings or foam. The level of firmness of the mattress is adjusted by adding or removing air. Some mattresses offer dual air chambers so that sleeping partners can adjust their comfort levels individually. Air mattresses also vary in complexity, from a simple airbed (also called "air bed") to more intricate models. The more intricately constructed air mattresses contain various layers including a cover and foam pad for comfort: the air chamber for main support, supporting foam for support around the edge of the mattress, and a foundation for additional comfort and support.
12 full inches of therapeutic memory foam including a 5 inch upper layer of "visco-elastic" memory foam. This material is very dense and conforms to the individual curves of your body. In mattress speak, the denser the foam, the better you sleep. The visco-elastic layer on this model weighs 5.3 pounds. Other brands offer a less impressive 4 pound upper layer.
The latter 4 styles are becoming increasingly popular as many appreciated the extra layer of comfort and many tops now also feature materials like latex and memory foam. Whether you should buy one is your decision, however, many have reported that such tops can quickly begin to sag. If this happens you will have to change the whole mattress, even though the innerspring may be perfectly okay.
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