The Denali Mattress combines 100 pocket springs, deep memory foam and cutting edge materials to provide an excellent mattress for your home. The 1000 medium firm pocket springs provide a great foundation, followed by layers of traditional fillings and a luxurious deep memory foam filling underneath the surface. This surface is manufactured in the renowned Tencel Fibre this is a material that feels much like silk and manufactured from sustainable wood cellulose. As well as being hypoallergenic it is very breathable, ensuring the mattress is well ventilated and reducing bacterial growth and moisture inside the mattress