Does the Cozy ICE plush model actually sleep cool?

Yes, cooling runs through the whole build rather than being a surface gimmick. It combines a Coolmax stretch-knit zip cover, a 2-inch 5lb gel Cool-Max comfort layer, and an HD visco-elastic Cool-Max layer, so body heat is drawn away instead of being trapped. That matters more in a soft, contouring mattress, where you sink in closer to the foam, so the gel and Cool-Max construction keeps the surface temperature-neutral.

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