Available with or without a fully adjustable and easily removable driver backrest, the Sport Touring driver seat features a sporty look with deep bucket styling that sits you at an ideal cruising angle. The passenger seat utilizes Mustang's unique internal steel support wings and extends forward on seats without a driver backrest to create a full 9" high wall for excellent back support. Clean look and feel of high-quality expanded vinyl cover and detailed automotive-inspired stitching Controlled-density foam formula for even weight distribution and support Marine-grade fiberglass baseplate Backrest models have built in receivers