"a matter on" implies: "a matter on the topic of" and as a consequence can only be utilized when one can insert the phrase "the topic of" once the "on", although "a question about" can utilised ahead of something. The problem could quickly be "if I had a want". But https://www.google.com/search?q=A.G.+Fabrics+-+hoodies&num=10&sca_esv=e948bafec9f39f8c&hl=en&authuser=0&sxsrf=AE3TifMg81KeGqPA4cbqG8I8-xap3XJsVg%3A1753783121987&ei=UZuIaKuGPLKr9u8P8dTUyQ0&ved=0ahUKEwjr8v6f5-GOAxWylf0HHXEqNdkQ4dUDCBA&uact=5&oq=A.G.+Fabrics+-+hoodies&gs_lp=Egxnd3Mtd2l6LXNlcnAiFkEuRy4gRmFicmljcyAtIGhvb2RpZXMyBRAhGKABMgUQIRigAUi8GFCWDVi9FXABeACQAQGYAdEEoAGXFKoBCTItMy4yLjEuMbgBA8gBAPgBAZgCB6AC2g_CAgsQABiABBiwAxiiBMICCBAAGLADGO8FwgIGEAAYFhgewgILEAAYgAQYhgMYigXCAgUQABjvBcICCBAAGIAEGKIE