Exclusive to Luxury Interiors, this impressive mattress features the very latest pocket spring technology.1800 Individual springs adjust to your body and perfectly support any sleeping position. 7 zones of support ensure that you benefit from exceptional pressure relief . The mattress is completed by a layer of cotton and wool which helps to regulate your temperature throughout the seasons. Simply rotate the mattress periodically to maintain the superior levels of comfort and support that it offers. Foam encased for edge to edge support.