Designed from comfort foam layers, this mattress is suitable for all kinds of sleepers (side, back, stomach, and combination). It is also quite suitable for different weight groups – light, average, and heavy. American Standard Soft Short Pocket Cells are seamlessly integrated where each coil is manufactured from a firm high tensile wire and fabric for independent motion. Not only does it reduce motion transfer but also provides perfect support to sleepers from different weight groups. This mattress is covered in highly breathable stretch knitted fabric for extra plush and comfort. The breathable feature makes your deep slumber super hygienic and healthy. Factor Z is perfect for every kind of sleeper!