The Double Outlast Superior 1500 Pocket Sprung Memory Foam Mattress gives unrivalled support with its 1500 nestled springs & optimum high density memory foam layer for superb comfort & pressure relief. The mattress comes roll-packed for ease of transportation. Helping to alleviate pressure points & ease joint pain during the night, the layer of memory foam moulds to the contours of your body. This also means less tossing & turning throughout the night resulting in a more restful night’s sleep. The mattress comes complete with a cover which has been engineered to disperse heat & moisture helping to stay dry & cool throughout the night resulting in a more comfortable & deeper night’s sleep. Outlast Technology was developed for NASA to help control extreme temperatures in space. These smart fabrics work with your body & regulate temperature to create a better sleeping environment, & therefore a deeper & more restful sleep. The outlast pocket mattress gives you the best of both worlds, & innovative smart fabric for those seeking the best performance in life & at home.