A luxurious open coil mattress with a strong 12.5 gauge orthopaedic spring unit and steel rod frame.The Latexpaedic also incorporates a soft 30mm natural latex layer above the springs for a supportuve soft sleep experience that promotes a healthy sleep. Natural latex has antibial, hypoallergenic and anti-dustmite properties due to the natural ingredients featured. Latex is a greener and more supportive alternative to memory foam.The coolknit fabric cover provides body temperature regulation and will keep you warm in the colder months and cooler in sumer. An all round star buy at a low price that doesnt reflect the sheer quality in this product.