Medium Firm is the level of support to the body, suitable for average to heavily weighted people. This is not a comfort rating.
1800 Pocket Springs in a 5'. Each spring is encapsulated in fabric, body moulding, no roll together, quiet and perfect for side sleeping.
Fibre Fillings fillings are 100% polyester, man made, very durable, great recovery.
30mm Of Memory Foam is body moulding and pressure relieving, a filling that always recovers to its original state, ultimate comfort.
Reflex Foam Reflex foam is made from polyurethane which is the same material that memory foam is made from, however it doesnt contain the added temperature technology. The foam is made up of bubbles as opposed to holes. When pressure is placed on the reflex foam the bubbles part to fit to your body. However because the bubbles are pushed to the side, they almost bunch up creating pressure points, When pressure is taken off the bubbles bounce back together providing the reflex action.