Softer is the level of support to the body, suitable for light to average weighted people. This is not a comfort rating.
1850 Pocket Springs in a 5'. Each spring is encapsulated in fabric, body moulding, no roll together, quiet and perfect for side sleeping.
Hand Tufted buttons evenly over the sleeping surface, keeping the fillings together and adding a tension to the springs.
Handles Attached to the border, aiding rotation and turning of the mattress.
Pillow Top effect, that looks separate to the mattress but is actually attached with a hidden return, usually has soft fillings.