Squareback Seat - Double Diamond - Gray Stitch - Dyna '06-'17 Sporty style meets touring comfort with the new Squareback one piece 2-up seat, Cut low for a sleek profile, Features a high-rising tail section that delivers exceptional lower back support for the rider, The squared-off passenger seat ample comfort for two-up riding without sacrificing the aggressive look, Mustang’s proprietary controlled-density foam formula requires no break-in and retains shape and support after years of use, Marine-grade fiberglass baseplate for long-lasting support and durability, with polyurethane bumpers to absorb vibration, Constructed with a blend of three premium expanded vinyl materials that deliver a custom look, enhanced grip, and long-lasting durability to withstand the element