An orthopaedic mattress is designed to support the joints, back and overall body. As its name suggests, an orthopaedic mattress has been influenced by the medical study of orthopaedics which focuses on disorders or deformities of the spin and joints.
A firm mattress that provides support but additionally provides the support with comfort via a layer of memory foam. The foam is the cool blue type so it will not generate heat whilst you sleep and will keep you cool. The 12.5 gauge spring is the preferred spring base for an orthopaedic mattress.