Medium is the level of support to the body, suitable for all average weighted people. This is not a comfort rating.
2200 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.
Source 5 Domestic Flammability Rated BS 7177 Medium Hazard, Hotels, Universities, Holiday Camps, Retirement Homes.
Wool & Cotton