Twin layer mattress for luxurious ortho support 750 miracoilreg springs for zoned support and pressure relief with 1350 mini pocket springs for firm support extra edge support for maximum sleep space deep layer of body moulding memory foam for pressure relief and comfort acupressure layer stimulates acupressure points on the back for relaxing sleep comfortable and breathable silentnight ecocomfort fibrereg scientifically proven to keep you cooler soft knit mattress lid with a luxury q