The React mattress from Viscosoft is a luxurious sleep experience, and it's 50% Off for a limited time! Starting at $549.95. The newest version of our hybrid mattress remains affordable while utilizing US-made materials. The quality of this mattress will support great sleep for years to come!  React offers layers of gel-injected memory foam designed to promote a temperature-neutral sleep environment with contouring support for your entire body.  Individually pocketed coils provide support for the foam and promote airflow.  A soft, breathable cover is removable & machine washable for easy care.