Supportive layers including cooling memory foam and 2, 000 (king) mini pocket springs. 25cms deep, and wrapped with a luxurious and breathable cover. Specifications: Premium quality memory foam Supportive 2, 000 (king) micro pocket springs Wrapped in a luxurious breathable cover 40 night comfort guarantee 10 year guarantee Comfort grade – Medium Made in the UK Rotate Regularly – Rotate head to toe weekly for the first three months, then every month thereafter The science behind the sleep This award winning pocket spring mattress provides the best of both worlds. Superior sleep surface Every Hyde & Sleep mattress is wrapped in a luxurious breathable cover. The unique sleep surface adds an extra layer of comfort to ensure deep and peaceful sleep. Next-Gen memory foam Our Hyde & Sleep mattresses are created with a superior comfort layer using the most advanced technologies in memory foam. Spring loaded The mattress is loaded with 2, 000 micro pocket springs (king), which individually adjust to the contours of your body while you sleep. Our springs help to distribute body weight and reduce the build up of pressure points. Support base The high density foam base houses ventilation channels to create 7 zones of air flow, keeping you cool and comfortable while you sleep.