"an issue on" means: "a matter on the topic of" and as a consequence can only be utilized when one can insert the phrase "The subject of" once the "on", though "an issue about" can used right before nearly anything. one. Due to the fact Pakistan has a very variable weather, 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