It wasn’t until the 1990s, when Tempur-Pedic first made a mattress using NASA-designed viscoelastic polyurethane foam, a.k.a. memoryfoam, that there were any big shifts in how mattresses ...
However, I do think it has more of a dense feel when compared to other responsive memoryfoammattresses, like AS3 from Amerisleep for instance. This type of feel is perfect for those of us who ...
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