RoadSofa™ Tri Gripper SeatTri Gripper cover material holds the rider in place for high performance riding SaddleGel™ in front and rear reduces tailbone pressure and increases circulation and comfort for both driver and passenger Tall lumbar support and wide driver saddle supports the back and legs for superior comfort Streamlined nose improves the rider's reach to the ground Refined split-cushion design separates the seating surface from the lumbar support, reducing tailbone and back pressure from maximum long-range comfort Designed and made in the USA 5-1/2" (13.97 cm) lumbar support.