The Horizon Voyager Memory Mattress is a foam mattress consisting of a firm, high density foam foundation, paired with an exceptionally deep layer of viscoelastic memory foam. At 10 centimetres deep, this is the thickest layer of memory foam that we offer! The perfect marriage between support and comfort, this pressure relieving mattress is excellent for your back, knee and hip joints. With an attractive knitted cover which is also removable, it is truly one of a kind. Hypoallergenic and single-sided, it is available with Free Next Day Delivery for your convenience.