Rcs Gb - Gloss Black Shell X Glass Mesh. FABRIC Well-matched to THE TRACK A thin pad that enables a full bucket seat that emphasizes comfort. Comfort-style seat cushion with an emphasis on getting in and out. Developed RCS dedicated side adapter (sold separately). The position can be lowered like a full bucket seat, and the left and right offset can be adjusted. It is straightforward fitting in the ideal driving position on many car models.