The Memory Plus 1800 is rated as a firm mattress, making it an ideal choice if you desire additional support or require a mattress that relieves pressure on sensitive areas. Featuring a combination of pocket spring and Mini Pocket springs for more refined support and greater comfort, the mattress also boasts several ground-breaking ventilation technologies, including an integrated side support system and Respire memory foam. The eCool quilt also keeps you dry by wicking moisture away from the body.The fabric utilised in the Memory Plus 1800 benefits from a 100% natural probiotic treatment that battles odours and keeps allergens and bacteria at bay. The �no-turn� design means you no longer have to flip your mattress, though regular rotation will extend its expected lifespan. Handholds are built into the sides of the mattress, allowing you to rotate it quickly and easily. An 8-year guarantee helps protect your investment.Developed by NASA and adapted for mattresses, memory foam technology relieves pressure on sensitive parts of the body, such as joints and back. The Respire memory foam system used in the Memory Plus 1800 also features engineered perforations, which allows for better air circulation and a cooler night�s sleep.The Memory Plus 1800 king size mattress boasts an impressive 1800 individual springs. While 1000 of these are regular, pocket-mounted springs, 800 are Mini Pocket springs. The combination of the two spring systems allows for finer body contouring and more adaptable and responsive support.The eCool quilt is made from an environmentally friendly �smart� fibre with excellent moisture-wicking qualities. By removing moisture from the body and moving it to the fabric, where it dries quickly, the quilt keeps you dry and feeling fresh throughout the night.