The Premium Inner Spring Down cushion is created with a full support Marshall-type coil spring unit (15 gauge steel coils individually wrapped in ticking).
The core is surrounded by polyfoam and encased in down proof ticking quilted with a blend of duck down, feathers and soft hollow filament polyester fiber.
This cushion is designed for a deep ride, high soft crown and excellent recovery.
Two cushions with fiber, box-edge welt-less border with topstitch, knife-edge without welt.
Four cushions with box-edge border with topstitch, knife-edge without welt.