This premium quality mattress packs in 2150 individually pocketed springs on the King Size model, along with a Pillow Top design made from layers of soft, pure wool and luxurious silk for the ultimate in snugglability! The medium firmness rating delivers comfort and support in equal measure, and this single-sided mattress doesn�t need to be flipped, making it easier to maintain.The mattress comes in at a hefty 37cm deep, which makes it a deeper, more luxurious design. The soft damask cover is breathable, and the use of pure wool and silk creates a healthy sleeping environment that prevents overheating in summer but keeps you warmer in winter. The design of the springs maximises pressure relief so your bodyweight is spread evenly. That cuts down on tossing and turning to give you and your partner a better, more restful night�s sleep.Relyon has been making quality mattresses for decades and has a reputation for using premium materials. The Natural Luxury Supreme 2150 Pillow Top mattress is no exception, incorporating pure wool and luxurious silk layers for a better, more comfortable night�s sleep. The mattress is approved by the BMF, and comes with an 8-year guarantee.The Relyon Natural Luxury Supreme 2150 Pillow Top mattress is a single-sided mattress, so there�s no need to flip and turn. However, to prolong the life of your mattress we do suggest that it should be rotated head-to-toe regularly, and to make this easier the Natural Luxury Supreme has strong turning handles attached to the sides.In the King Size version you�ll find no fewer than 2150 individually pocketed springs designed in a complex network to minimise movement transference and provide you with all the support you need for a great night�s sleep, even if you�re a bit of a midnight �wriggler�!