Uncovered Solo 2 Seat1/8" thick stamped steel pan with welded carriage bolts on nose and tall for spring and hinge mounting Stamped-in ridges on the pan increase stiffness and give the pan a clean, classic look with a matte black electroplated finish Foam is molded polyurethane, approximately 1" thick Compared to the original Solo seat, the new Solo 2 has a shorter overall length and two more inches of kick in the tall to deepen the seating area and improve its visual flow on bikes with steep backbones Uncovered seat allows riders to customize to their liking