Pillow top mattress have extra
layers of cushioning on top for an extra soft feel, but with a firm layer of support underneath.
A significant disadvantage of these known pillow top constructions, is
that the filling materials which have been employed in prior pillow
tops generally will lose approximately 25% of their original thickness
during the normal life of a mattress. Thus, the original comfort
provided by known pillow tops diminishes with time and use as a result
of the loss of resilience of the filling material.
layers of cushioning on top for an extra soft feel, but with a firm layer of support underneath.
A significant disadvantage of these known pillow top constructions, is
that the filling materials which have been employed in prior pillow
tops generally will lose approximately 25% of their original thickness
during the normal life of a mattress. Thus, the original comfort
provided by known pillow tops diminishes with time and use as a result
of the loss of resilience of the filling material.