Dormeo Octasmart Hybrid Mattress in Single, Double, King and Super King Sizes Dormeo's Octasmart Hybrid Mattress features award-winning Octaspring technology, individual supportive pocket springs, and a layer of luxurious memory foam - all of which combine to offer you a heavenly sleep experience. - Features honeycomb-shaped Octasprings that move three-dimensionally, promote outstanding comfort, and have 8x more breathability than traditional foam. - Three body zones. Individual Octasprings arranged into customised body support zones allow for correct spine alignment. - Each 8cm tall pocket springs works effortlessly combined with Octasprings to support your body and provides a more traditional, bouncier feel. - A layer of breathable Aerocell memory foam for gentle pressure relief and outstanding ventilation. -Firmness: Medium/Firm Dimensions: Height of all - 22 cm 3'0 Single - Length 190, Width 90 cm 4'6 Double - Length 190, Width 135 cm 5'0 King - Length 200, Width 150 cm 6'0 Super King - Length 200, Width 180 cm Buy and Save: N Firmness: Medium Firm Like sleeping on a cloud, inspired by the design of smart technologies it is our most advanced matt