Patent ID: 8689378

Claim:
A tunable fiber cushion comprising: a batt of randomly oriented first polyester fibers interlinked with a first binder material, the batt having a non-layered core made of a first fiber blend and defined by opposing surfaces; at least one topper layer made of a second fiber blend of randomly oriented second polyester fibers interlinked with a second binder material, the at least one topper layer arranged on a side adjacent to one opposing surface, and wherein the second fiber blend is different from the first fiber blend; a tuft extending through the batt and the at least one topper layer to provide a tufted cushion assembly having a tufted height and a density of 1.0-3.0 pounds per cubic foot (pcf); and wherein the tufted cushion assembly at the tufted height provides a support factor of less than or equal to 3 with an Indentation Load Deflection (ILD) determined using a 4 inch batt sample of the tufted cushion assembly at the tufted height.