An assembly includes a trim cover assembly and a comfort layer. A retention fastener includes a stem and a crossbar, and the stem is joined to one of the trim layer and the comfort layer at a joining point. The other of the trim layer and the comfort layer includes an opening, and the retention…

Seat assemblies and subassemblies to attach and retain components is provided. The subassembly may include a trim cover with a cushion layer, and various fasteners or retainers. The fasteners may include a tie down strip. The retainers may include a connector that is translated through the seat…

The cushion comprises a foam base (13) with a cover (28) which resists piercing or cutting. The cover has reinforcements (21a -21c) of more flexible material over the curved edges (18a - 18c, 19a, 19b) of the cushion.