Foam. 10″ wide. Center Diamond stitch pattern. Identical to the regular lean & mean Bare Bones solo seats, but with a special classic center stitch design to set you apart from the crowd. Note: 00-17 Softail seats come in three versions. 00-07 with tires up to 150mm, with frame mounted (FrameM) seats. The 08-17 models, with tires up to 150mm and 06-17 200mm Wide Tire models with fender mounted (FenderM) seats. These are not interchangeable.