Innerspring Mattress Guide

Understand coil systems, comfort layers, edges and the modern overlap between innerspring and hybrid mattresses.

The basic structure

An innerspring uses metal coils as its main support system. Modern versions may add enough foam to be marketed as hybrids.

Coil types

Individually wrapped coils can move more independently than connected units, while zoning changes resistance across the bed.

Why terminology is imperfect

Retail category names are not standardized enough to replace a layer-by-layer comparison.

Aviya as a concrete example

Aviya currently uses individually wrapped coils, high-density foam layers and a reinforced perimeter, with three comfort choices. That makes it a useful example of how these buying criteria show up in a real hybrid.