The bel air uses a mid density pu foam and is strategically designed with a rear rise which helps rotate the pelvis forward and can provide extra support for one who likes to use the saddle39s optimal rideable area ora the bel air incorporates a 34 cut design for perennial relief the bel air series features a nose platform providing greater surface area control and power transfer as well as being designed with a down curved nose for moving forward on the saddle on seated climbs or in