PPG makes a matte clear with a soft touch finish that is great on imteriors.It can be used over any PPG basecoat colors.It is very scratch resistant and feels like smooth fabric,strange but cool. PPG Vibrance Soft Touch clear VC-5225 here is a link:
http://www.automotivepaintandequipment.com/pdf/vibrance/VB07_Soft%20Touch%20Clear%20P%20Bulletin.pdf