"Seat foam" refers to the soft, spongy material used in making seats more comfortable. It provides cushioning and support when you sit down. Full definition
Inside the front seats will be more comfortable thanks to new seat foam geometry, wire frame structure and heat pad redesign. (thetorquereport.com)
Inside, the seats were found to be in solid condition with good seat foam. (bringatrailer.com)
DIESEL GRAY / BLACK LEATHER TRIM 40/20/40 BENCH SEAT - inc: Ventilated Front Seats Power Lumbar Adjust Front Armrest w / Cupholders # 1 Seat Foam Cushion High Back Seats Front Center Seat Cushion Storage (dchchryslerjeepdodgeoftemecula.com)