PETRIFUN is a Finnish brand of men's shirts owned by Petritex Ltd, est. 1973. The company is based in Kuopio, Finland. They have ten own PETRIFUN Stores and most Finnish clothing retailers also carry their product. After Jousipaita ended their Finnish production of ready-to-wear men's shirts in 2010, Petritex is the last "traditional" Finnish clothing company to specialize in ready-to-wear men's shirts.