Many mattress companies these days are advertising latex with five, even seven “zones” of varying densities. Here, we consider what latex zones are and are not, and why they are mostly irrelevant to sleep comfort.

When a layer of latex is made without zones, it is intended to feel consistent from side to side and head to foot. There’s always minor variability, but latex without zoning doesn’t vary much within each piece.
Many mattress companies these days are advertising latex with five, even seven “zones” of varying densities. Here, we consider what latex zones are and are not, and why they are mostly irrelevant to sleep comfort.