Bullmiracoilreg reactive springs give tailored comfort and support whatever your shape and size bullhead to toe springs distribute body weight ensuring partner movement doesn39t disturb your sleep bulledge to edge springs for maximum sleep space bulldeep layer of body moulding memory foam for pressure relief and comfort bullcomfortable and breathable silentnight ecocomfort fibrereg scientifically proven to keep you cooler bullsoft knitted fabric with a microquilted fin