Solar-reflective leather in the seating area and automotive-grade vinyl on the sides; patented process reduces surface temperature by as much as 14°C (25°F) for a cooler seat, higher durability and longer life over conventional leather or vinylFlexible urethane foam for maximum comfort3/16" ABS thermoformed seat base with carpeted bottom to protect paintLower rider 1.3cm (1/2") from stock seatOptional pillions feature a unique stud-and-plate system that makes for easy on and offOptional backrests feature solar-reflective leather cover and multiple detents with virtually no metal-to-metal contact for vertical and fore/aft pad adjustmentEZ Glide II™ backrest measures 22.86cm W x 13.34cm H (9" x 51/4") and does not include a pouch; EZ Glide III™ backrest measures 25.4cm W x 19.05cm H (10" x 71/2") and includes a pouch on the backside of the pad"The Convertible" EZ Glide II backrest includes a rain cover that pulls out of a pouch on the backside of the pad and covers the entire seatMade in the U.S.A.