Roadsofa™ Carbon Fiber SeatTall lumbar support and wide driver saddle support the back and legs for superior comfort, while the streamlined nose improves the rider’s reach to the ground Refined split-cushion design maximizes long-range comfort by separating the seating surface from the lumbar support to reduce tailbone and back pressure GelCore™ in front and rear reduces tailbone pressure and increases circulation and comfort for both driver and passenger Constructed from contrasting carbon fiber weave and SaddleHyde™ Made in the U.S.A. 7-3/4" (19.69 cm) lumbar support.