microcoils

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What are microcoils and why are they suddenly in every mattress topper?

While mattress toppers typically consist of a single layer of foam, we’re now seeing plenty of innovations being made to these bed boosters — from pillow-top designs to high-tech cooling covers. And now there’s new material that’s recently taken the mattress topper by storm: the microcoil. You can find microcoils in toppers from some of the most popular sleep brands…