In combining the support of 800 individual pocket springs with the divine comfort of memory foam the rest assured harewood 800 pocket memory mattress makes for an ultra comfortable nights sleep the body moulding memory foam allows for pressure relief as well as soothing comfortthe mattress also has a soft woven cotton and yarn sleeping surface additional air vents in the mattress allow air to circulate freelyplease note spring count refers to a 5ft kingsize model