Solar-reflective leather in the seating area and automotive-grade vinyl on the sides; patented process reduces surface temperature by as much as 25°F for a cooler seat, higher durability and longer life over conventional leather or vinyl Flexible urethane foam for maximum comfort 3/16"(0.5cm) ABS thermoformed seat base with carpeted bottom to protect paint Seats feature an EZ Glide II™ driver backrest mechanism and accept optional backrests: PART #s 0822-0133 or 0822-0154, sold separately Includes mounting hardware Made in the U.S.A.