Each seat features improved foam contours and Super Cell Atomic Foam for increased comfort and support. Seat covers are marine-grade, UV-stabilized CarbonFX vinyl (standard). Most seat applications include under-seat storage cargo area and/or container (b At Sargent's, revolutionary thinking is an everyday process. Never satisfied with the status quo, their Research and Development Team is constantly striving to bring you the ultimate in high-performance, distinctive seating and upholstery products. Each World Sport Performance Seat is made with the durable and lightweight PolyTec or CarbonTec seat pan, Super Cell Atomic Foam suspension, and dazzling, color-coordinated upholstery. State-of-the-art replacement seats. Seats are built on a precision-molded, lightweight PolyTec or CarbonTec base pan.