Memory 3 Sleep. A vacuum packed hypoallergenic mattress with a 3cm layer of memory foam and a high density of Miratex foam. Miratex will absorb movement for better weight distribution without any roll together. The 3 zone support system has varied tensions to target areas where pressure builds up. Simply unwrap the mattress and allow it to settle on your bed. So buy this Memory 3 Sleep Now £168.00.