Extra Firm is the level of support to the body, suitable for extra 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.
Cotton fillings regulate the body temperature, giving great absorption qualities, a well as soft comfort with a cool feel.
Fibre Fillings fillings are 100% polyester, man made, very durable, great recovery.
Wool fillings give natural warmth and comfort to this mattress, the best insulator going, just ask the sheep!
Hand Side Stitching creates a firmer edge to the pocket mattress, a very expensive process, only for top quality mattresses.