Contouring comfort meets dependable support in this Serta mattress, pairing the Q4 Support System with QuiltLoft Foam and HD Support Foam for balanced cushioning and full-body support. Breathable wool and CoolFeel Fabric help regulate temperature and promote airflow, while reduced motion transfer helps encourage uninterrupted rest. BestEdge Foam Encasement enhances edge-to-edge stability, and the adjustable-base-compatible design delivers lasting comfort for every sleep position.